DOCSLIB.ORG

Genetic Differentiation Among Plethodontid Salamanders (Genus Bolitoglossa) in Central and South America: Implications for the South American Invasion

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Genetic Differentiation Among Plethodontid Salamanders (Genus Bolitoglossa) in Central and South America: Implications for the South American Invasion , Herpe'o!ogica, 38(2), 1982, 272-287 © 1982 by The Herpetologists' League, Inc. GENETIC DIFFERENTIATION AMONG PLETHODONTID SALAMANDERS (GENUS BOLITOGLOSSA) IN CENTRAL AND SOUTH AMERICA: IMPLICATIONS FOR THE SOUTH AMERICAN INVASION JAMES HANKEN AND DAVlD B. WAKE ABSTRACT: Art electrophoretic sUIVey of proteins from 14 populations representing eight species and two species groups of Central and South American Bolitoglossa examines patterns of intraspecific and interspecific genetic differentiation and the possible implications of these patterns for the question of the time of entry of plethodontid salamanders into South America. These species are very old, as evidenced by the great genetic differentiation among species (including presumed close cladistic relatives), the high degree of genetic subdivision within species, and the very high levels of genetic variation within individual populations. The fre­ quency ofpolymorphic loci and mean heterozygosity recorded for some populations, particularly the Costa Rican species B. subpalmata,may be the highest levels yet recorded fOJ; vertebrates. Cluster analysis based on degree ofgenetic relatedness reveals only a weak distinction between South American and Central American species; furthennore, many component lineages may predate the establishment of the continuous, pennanent Pliocene land connection between Paw nama and Colombia. Thus, the recent South American fauna likely comprises descendants of several lineages that independently entered South America. Lastly, a specimen of B. pandi collected recently in Colombia indicates that this species, which previously was known from a single specimen collected near the turn of this century and feared extinct, still survives. Key words: Amphibia; Caudata; Bolitoglossa; Allozymes; Biogeography; Electrophoresis; Panamanian Portal SALAMANDERS present a classic exam­ and Lynch, 1976). Bolitoglossa and Oed­ ple of a Holarctic distribution; eight of ipina, two genera distributed mainly in the nine extant families are found almost Central America, have representatives in exclusively in the temperate regions of South America, and the range of Bolito­ Europe, Asia, and North America. Only glossa extends as far as 17°S (Brame and the supergenus Bolitoglossa, which com­ Wake, 1963; Wake and Brame, 1966). prises seven genera ofthe highly derived However, while the South American sal­ I amander fauna is considerably richer family Plethodontidae, has penetrated tropical latihldes to any significant de­ than is generally acknowledged and oc­ gree, and only in the New World (Wake cupies an enormous geographical area June 1982]' HERPETOLOGICA 273 (including much of the Amazon basin), Bolitoglossa fauna is derived from sev­ I,1 fewer than 30 species are found in the eral lineages which separately invaded ~ entire continent, a number apparently no South America relatively early and in ad­ greater than that occurring in the small vance of a much more recent entry by neighboring country of Panama alone. Oedipina and the phalarosoma group of It is generally accepted that salaman­ Bolitoglossa. ders entered South America by dispersal Wake and Lynch (1976) subsequently from southern Central America, but the modified this hypothesis, suggesting that number of separate invasions of South as few as two large-scale movements are America and their timing are debated. sufficient to explain the present distri­ There are no fossils from tropical areas, bution of salamanders in South America. so it has been necessary to infer details The initial invasion from southern Cen­ of the South American ingression indi­ tral America, quickly following the clo­ rectly from two sources: (1) the relative sure of the Panamanian (Bolivar) Portal degree of morphological differentiation in the mid to late Pliocene, was made by of related groups living on either side of a morphologically generalized Bolito­ the former gap between what is now low­ glossa possibly resembling B. savagei of er Central America and northern South montane northern Colombia; an adaptive America, and (2) geologic evidence. radiation by descendants of this single Dunn (1926), in the first comprehensive stem lineage, producing the relatively discussion of this problem, suggested great morphological and ecological di­ that the trans-isthmian migration of versity that is displayed by the recent plethodontid salamanders occurred from South American fauna, was then evolved the late Miocene to the Pliocene, or as in situ. The second, and much more re­ much as 12-15 million years ago. Ideas cent, movement across the isthmian land of fixed continents prevailed in Dunn's connection by Oedipina, moving south, time, and his suggestion reflects then-ac­ and members of the B. phalarosoma and cepted dates of the establishment of a B. sima species-groups, moving north as land connetion between the two Ameri­ far as western Panama, would account for can continents. Darlington (1957) pro­ the present distribution of the remaining posed that salamanders entered South South American salamander element in America following a mid to late Pliocene the isthmian region. A third possibility­ land connection. Recent studies which and, to our knowledge, one not yet for­ incorporate views of continental drift es­ mally proposed-is that one lineage of timate a permanent land connection be­ Bolitoglossa and one of Oedipina en­ tween Panama and South America begin­ tered South America soon following clo­ ning 2 to 5 (Woodring, 1966), 5 to 7 sure of the Panamanian Portal. The for­ (Holden and Dietz, 1972), or approxi­ mer underwent considerable speciation mately 3 (Keigwin, 1978; Marshall et aI., and morphological diversification, the 1979) million years ago, thus supporting latter did not. the notion of a later, Pliocene crossing. Biochemical techniques have been Brame and Wake (1963) proposed mul­ used to analyze the effects of the estab­ tiple invasions of South America by sal­ lishment of the isthmian land connection amanders of several different lineages, on the distribution and diversification of beginning in the late Pliocene and ex­ marine groups, including fishes (Gorman tending into the Pleistocene. Their sug­ and Kim, 1977; Gorman et aI., 1976; Vaw­ gestion was based on the differing de­ ter et aI., 1980) and sea urchins (Lessios, grees ofmorphological similarity between 1979, 1981). These procedures are partic­ many South American taxa and their pre­ ularly valuable in providing an indepen­ sumed Central American relatives. Brame dent assessment of alternate hypotheses and Wake argued that most of the recent of phylogenetic relationship that are de- 274 HERPETOLOGICA [Vol. 38, No.2 84° 78° 72° 66° . '. 12° , , "- 6° t--l 100 km FIG. I.-Map showing collection localities of Bolitoglossa in southern Central America and northwestern South America. 1-5, B. subpalmata; 6, B. mannorea; 7, B. nigrescens; 8-9, B, adspersa; 10-11, B. valle­ cula; 12, B. pandi;-13, B. borburata; 14, "Soacha." rived from other sources, such as mor­ Bolitoglossa, and Oedipina, we cannot phology. Thus, we took advantage of the fully resolve the biogeographic ques­ recent collection of representatives of tions. Nevertheless, we can examine the several species of Bolitoglossa from genetic relationships among a number of northern South America-where most South and Central AmeriCan species as a salamander species generally are rare Or first step in identifying the origins of the otherwise difficult to obtain-to make entire South American salamander fauna. electrophoretic comparisons with conge­ Specifically, our goals are: (1) to deter­ ners from Panama and Costa RiCa. Our mine the, patterns of intraspecific and in­ South American sample includes repre­ terspecific differentiation in South Amer­ sentatives of the largest and most diverse ican and in Talamancan Central America, ofthe five species-groups of Bolitoglossa (2) to examine the possibility that the found on the continent; our Central South American species show a uniform American sample includes members of degree of genetic differentiation relative one of the five closely related species­ to those in Central America, as would be groups of BolHoglossa occuring from expected if all South American Bolito­ western Panama to Mexico. We hoped to glossa are derived from a single lineage identify implications of the biochemical with respect to Central American species, data for the biogeography of salamanders and (3) to estimate divergence times be­ in the isthmian region, but because we tween taxa in order to date the entry of lack samples of other species groups of salamanders into South America. ~--- -- _.. -- .__...._-- '._. __._...._....•_._._... 2 June 1982] HERPETOLOGICA 275 TABLE I.-Populations of Bolitoglossa included in electrophoretic analysis. Population Species Locality Sample size 1 B. subpalmata Volca.n Peas, Costa Rica 7 2 B. subpalmata EI Empalme, Costa Rica 11 3 B. subpalmata 22 km S of EI Empalme, Costa Rica 16 4 B. subpalmata 6 km W of Villa Mills, Costa Rica 4 5 B. subpalmata Villa Mills, Costa Rica 19 6 B. marmorea Voldm Chiriqui, Panama 16 7 B. nigrescens Valclin Chiriqui, Panama 3 8 B. adspersa Cmz Verde, Colombia 20 9 B. adspersa Guasca, Colombia 20 10 B. vallecula San Felix, Colombia 20 11 B. vallecula Santa Rosa, Colombia 1 12 B. pand; Alban, Colombia 1 13 B. borburata Rancho Grande, Venezuela 1 14 "Soacha" Soacha, Colombia 6 MATERIALS AND METHODS (Table 1). Our single specimen ofB. pan­ Three Central American and five .South di is only the second specimen of this American species
Load more

Recommended publications
  • AMPHIBIA: CAUDATA: PLETHODONTIDAE Lineatriton
    AMPHIBIA: CAUDATA: PLETHODONTIDAE Catalogue of American Amphibians and Reptiles. Tanner, W.W. and H.A. Dundee. 2000. Lineatriton, L. lineolus. Lineatriton Tanner Mexican Slender Salamander Spelerpes Cope 18652197. Type species, S. luclfuga Rafinesque (1832), by monotypy. Opheobatrachus Gray 1868:298. Qpe species, 0.vennicularis, by monotypy. Oedipina Cope 1887%. Type species, 0. uniformis, by mono- tYPY. LineatritonTanner 1950:39. Type species, L. lineola, by mono- typy. Genotype based on examination of three specimens in the Edward H. Taylor collection from Cuatlapan, Veracruz, Mkxico. The primary study was on specimen number 26583 and some myological data were obtained from specimens 266 12 and 26593. These specimens apparently were sold to the Field Museum of Natural History and to the University of Illinois. The latter were later transferred to the Illinois Natu- ral History Survey collection. WHS swapped some speci- mens but has no record of museums to which they went. A canvas of major collections has not brought to light the cur- rent catalog numbers. CONTENT. A single species, Lineatriton lineolus, is recog- nized. See Species Account and Remarks. MAP. Distribution of Linearrilon lineolus. Dots represent known col- lection sites. The type locality is too imprecise to plot. DEFINITION. The only species of this genus is a greatly elongate, slender-bodied terrestrial salamander reaching at least 38 mm SVLand 128 mm TL. The tail is cylindrical, constricted origin as it is at the insertion. The M. geniohyoideus lateralis is at the base, and in adults is approximately twice as long as the undivided and with a single origin. The M. rectus cervicis is in combined length of head and body.
    [Show full text]
  • With the Discovery of a New Species of Oedipina from the Foothills Along
    With the discovery of a new species of Oedipina from the foothills along the Caribbean versant of Costa Rica (see the following article), the number of species of salamanders in the country has risen to 51. When compared to other countries, this diversity of salamanders places Costa Rica 5th among all countries on the planet, behind the United States (1st), Mexico (2nd), China (3rd), and Guatemala (4th). When considering countries with an area greater than 5,000 km2, the highest diversity density of salamanders is found in the small country of Costa Rica, with one species/1,000 km2. Data calculated by Brian Kubicki from information on AmphibiaWeb (www.amphibiaweb.org) and Wikipedia (www. wikipedia.org). ' © Brian Kubicki 818 www.mesoamericanherpetology.com www.eaglemountainpublishing.com Version of record urn:lsid:zoobank.org:pub:25B2DF5B-C75E-4DDE-B125-118F55A0F416 A new species of salamander (Caudata: Plethodontidae: Oedipina) from the central Caribbean foothills of Costa Rica BRIAN KUBICKI Costa Rican Amphibian Research Center, Guayacán, Provincia de Limón, Costa Rica. Email: [email protected] ABSTRACT: I describe a new salamander of the genus Oedipina, subgenus Oedopinola, from two sites in Premontane Rainforest along the foothills of the central Caribbean region of Costa Rica, at elevations from 540 to 850 m. The type locality lies within the Guayacán Rainforest Reserve, a private reserve owned and operated by the Costa Rican Amphibian Research Center, located approximately 2 km north of Guayacán de Siquirres, in the province of Limón. The new taxon is distinguished from its congeners based on phenotypic and molecular (16S and cyt b) characteristics.
    [Show full text]
  • Amphibian Alliance for Zero Extinction Sites in Chiapas and Oaxaca
    Amphibian Alliance for Zero Extinction Sites in Chiapas and Oaxaca John F. Lamoreux, Meghan W. McKnight, and Rodolfo Cabrera Hernandez Occasional Paper of the IUCN Species Survival Commission No. 53 Amphibian Alliance for Zero Extinction Sites in Chiapas and Oaxaca John F. Lamoreux, Meghan W. McKnight, and Rodolfo Cabrera Hernandez Occasional Paper of the IUCN Species Survival Commission No. 53 The designation of geographical entities in this book, and the presentation of the material, do not imply the expression of any opinion whatsoever on the part of IUCN concerning the legal status of any country, territory, or area, or of its authorities, or concerning the delimitation of its frontiers or boundaries. The views expressed in this publication do not necessarily reflect those of IUCN or other participating organizations. Published by: IUCN, Gland, Switzerland Copyright: © 2015 International Union for Conservation of Nature and Natural Resources Reproduction of this publication for educational or other non-commercial purposes is authorized without prior written permission from the copyright holder provided the source is fully acknowledged. Reproduction of this publication for resale or other commercial purposes is prohibited without prior written permission of the copyright holder. Citation: Lamoreux, J. F., McKnight, M. W., and R. Cabrera Hernandez (2015). Amphibian Alliance for Zero Extinction Sites in Chiapas and Oaxaca. Gland, Switzerland: IUCN. xxiv + 320pp. ISBN: 978-2-8317-1717-3 DOI: 10.2305/IUCN.CH.2015.SSC-OP.53.en Cover photographs: Totontepec landscape; new Plectrohyla species, Ixalotriton niger, Concepción Pápalo, Thorius minutissimus, Craugastor pozo (panels, left to right) Back cover photograph: Collecting in Chamula, Chiapas Photo credits: The cover photographs were taken by the authors under grant agreements with the two main project funders: NGS and CEPF.
    [Show full text]
  • Assessing Environmental Variables Across Plethodontid Salamanders
    Lauren Mellenthin1, Erica Baken1, Dr. Dean Adams1 1Iowa State University, Ames, Iowa Stereochilus marginatus Pseudotriton ruber Pseudotriton montanus Gyrinophilus subterraneus Gyrinophilus porphyriticus Gyrinophilus palleucus Gyrinophilus gulolineatus Urspelerpes brucei Eurycea tynerensis Eurycea spelaea Eurycea multiplicata Introduction Eurycea waterlooensis Eurycea rathbuni Materials & Methods Eurycea sosorum Eurycea tridentifera Eurycea pterophila Eurycea neotenes Eurycea nana Eurycea troglodytes Eurycea latitans Eurycea naufragia • Arboreality has evolved at least 5 times within Plethodontid salamanders. [1] Eurycea tonkawae Eurycea chisholmensis Climate Variables & Eurycea quadridigitata Polygons & Point Data Eurycea wallacei Eurycea lucifuga Eurycea longicauda Eurycea guttolineata MAXENT Modeling Eurycea bislineata Eurycea wilderae Eurycea cirrigera • Yet no morphological differences separate arboreal and terrestrial species. [1] Eurycea junaluska Hemidactylium scutatum Batrachoseps robustus Batrachoseps wrighti Batrachoseps campi Batrachoseps attenuatus Batrachoseps pacificus Batrachoseps major Batrachoseps luciae Batrachoseps minor Batrachoseps incognitus • There is minimal range overlap between the two microhabitat types. Batrachoseps gavilanensis Batrachoseps gabrieli Batrachoseps stebbinsi Batrachoseps relictus Batrachoseps simatus Batrachoseps nigriventris Batrachoseps gregarius Preliminary results discovered that 71% of the arboreal species distribution Batrachoseps diabolicus Batrachoseps regius Batrachoseps kawia Dendrotriton
    [Show full text]
  • Early Miocene Origin and Cryptic Diversification of South American Salamanders Kathryn R Elmer1,2,3*, Ronald M Bonett4,5, David B Wake5* and Stephen C Lougheed1
    Elmer et al. BMC Evolutionary Biology 2013, 13:59 http://www.biomedcentral.com/1471-2148/13/59 RESEARCH ARTICLE Open Access Early Miocene origin and cryptic diversification of South American salamanders Kathryn R Elmer1,2,3*, Ronald M Bonett4,5, David B Wake5* and Stephen C Lougheed1 Abstract Background: The currently recognized species richness of South American salamanders is surprisingly low compared to North and Central America. In part, this low richness may be due to the salamanders being a recent arrival to South America. Additionally, the number of South American salamander species may be underestimated because of cryptic diversity. The aims of our present study were to infer evolutionary relationships, lineage diversity, and timing of divergence of the South American Bolitoglossa using mitochondrial and nuclear sequence data from specimens primarily from localities in the Andes and upper Amazon Basin. We also estimated time of colonization of South America to test whether it is consistent with arrival via the Panamanian Isthmus, or land bridge connection, at its traditionally assumed age of 3 million years. Results: Divergence time estimates suggest that Bolitoglossa arrived in South America from Central America by at least the Early Miocene, ca. 23.6 MYA (95% HPD 15.9-30.3 MYA), and subsequently diversified. South American salamanders of the genus Bolitoglossa show strong phylogeographic structure at fine geographic scales and deep divergences at the mitochondrial gene cytochrome b (Cytb) and high diversity at the nuclear recombination activating gene-1 (Rag1). Species often contain multiple genetically divergent lineages that are occasionally geographically overlapping. Single specimens from two southeastern localities in Ecuador are sister to the equatoriana-peruviana clade and genetically distinct from all other species investigated to date.
    [Show full text]
  • On the Taxonomy of Oedipina Stuarti (Caudata: Plethodontidae), with Description of a New Species from Suburban Tegucigalpa, Honduras
    SALAMANDRA 52(2) 125–133 New30 June Oedipina 2016 fromISSN outside 0036–3375 Tegucigalpa, Honduras On the taxonomy of Oedipina stuarti (Caudata: Plethodontidae), with description of a new species from suburban Tegucigalpa, Honduras José Mario Solís1, Mario R. Espinal2, Rony E. Valle1, Carlos M. O’Reilly3, Michael W. Itgen4 & Josiah H. Townsend4 1) Escuela de Biología, Facultad de Ciencias, Universidad Nacional Autónoma de Honduras, Depto. de Francisco Morazán, Tegucigalpa, Honduras 2) Centro Zamorano de Biodiversidad (CZB), Escuela Agrícola Panamericana Zamorano, Depto. de Francisco Morazán, Tegucigalpa, Honduras ³) Calle la Fuente, edificio Landa Blanco No. 1417 Apto. 11, Tegucigalpa, Honduras 4) Department of Biology, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705-1081, USA Corresponding author: Josiah Townsend, e-mail: [email protected] Manuscript received: 6 June 2014 Accepted: 29 January 2016 by Edgar Lehr Abstract. We review the taxonomy and distribution of Oedipina stuarti in Honduras. Based on uncertainty related to the type locality, we restrict the taxon to the holotype, which we posit originated from a mine in the northern portion of the Department of Valle, Honduras. We subsequently describe a new species of Oedipina from Distrito Central, Departamento de Francisco Morazán, Honduras, based on newly collected material as well as one specimen previously designated as a paratype of O. stuarti. The new species is differentiated from all other members of the genus by having 19 costal grooves, 20 trunk vertebrae, 27–38 maxillary teeth, and 20–24 vomerine teeth, as well as by its phylogenetic relationships. Phylogenetic analysis suggests this species to be most closely related to O. ignea, O.
    [Show full text]
  • Volume 2, Chapter 14-8: Salamander Mossy Habitats
    Glime, J. M. and Boelema, W. J. 2017. Salamander Mossy Habitats. Chapt. 14-8. In: Glime, J. M. Bryophyte Ecology. Volume 2. 14-8-1 Bryological Interaction.Ebook sponsored by Michigan Technological University and the International Association of Bryologists. Last updated 19 July 2020 and available at <http://digitalcommons.mtu.edu/bryophyte-ecology2/>. CHAPTER 14-8 SALAMANDER MOSSY HABITATS Janice M. Glime and William J. Boelema TABLE OF CONTENTS Tropical Mossy Habitats – Plethodontidae........................................................................................................ 14-8-3 Terrestrial and Arboreal Adaptations ......................................................................................................... 14-8-3 Bolitoglossa (Tropical Climbing Salamanders) ......................................................................................... 14-8-4 Bolitoglossa diaphora ................................................................................................................................ 14-8-5 Bolitoglossa diminuta (Quebrada Valverde Salamander) .......................................................................... 14-8-5 Bolitoglossa hartwegi (Hartweg's Mushroomtongue Salamander) ............................................................ 14-8-5 Bolitoglossa helmrichi ............................................................................................................................... 14-8-5 Bolitoglossa jugivagans ............................................................................................................................
    [Show full text]
  • A New Genus of Plethodontid Salamander from Mexico Wilmer W
    Great Basin Naturalist Volume 10 Article 3 Number 1 – Number 4 10-10-1950 A new genus of plethodontid salamander from Mexico Wilmer W. Tanner Brigham Young University Follow this and additional works at: https://scholarsarchive.byu.edu/gbn Recommended Citation Tanner, Wilmer W. (1950) "A new genus of plethodontid salamander from Mexico," Great Basin Naturalist: Vol. 10 : No. 1 , Article 3. Available at: https://scholarsarchive.byu.edu/gbn/vol10/iss1/3 This Article is brought to you for free and open access by the Western North American Naturalist Publications at BYU ScholarsArchive. It has been accepted for inclusion in Great Basin Naturalist by an authorized editor of BYU ScholarsArchive. For more information, please contact [email protected], [email protected]. A NEW GENUS OF PLETHODONTID SALAMANDER FROM MEXICO") WILMER W. TANNER Assistant Professor of Zoology and Entomology Brigham Young University Among the salamanders of the family Plethodontidae is a large and diversified group of terrestrial and arboreal species ranging from central Mexico southward through Central America and into northern South America. When the family was established by Gray in 1850, there appears to have been only one species Bolitoglossa platydactylus (Cuvier) recognized from this area. In the succeeding years many new species were added, until now there is a rather imposing list of approximately eighty-five well-established species. During the last three decades such workers as E. R. Dunn, K. P. Schmidt, H. M. Smith, L. C. Stewart, E. H. Taylor, and others have added considerably to the numbers of specimens available in collec- tions, to the numbers of new species, and to the general understanding of the southern segment of this family.
    [Show full text]
  • LNG to Power Project ADDITIONAL MARINE BIODIVERSITY STUDY
    LNG to Power Project ADDITIONAL MARINE BIODIVERSITY STUDY February 2018 – 16-3489 LNG TO POWER PROJECT MARINE BIOTA REPORT Table of Contents 1 ADDITIONAL MARINE BIODIVERSITY STUDY ............................................................................................... 1-1 1.1 INTRODUCTION ......................................................................................................................................... 1-1 1.1.1 Objectives .............................................................................................................................................. 1-1 1.1.2 Methodology ......................................................................................................................................... 1-2 1.1.3 Overview................................................................................................................................................ 1-2 1.1.4 Sampling Stations for Fish ..................................................................................................................... 1-3 1.2 FISH (PHYLLUM CHORDATA) ...................................................................................................................... 1-4 1.2.1 Survey for Fish ....................................................................................................................................... 1-4 1.3 DOLPHINS AND WHALES ............................................................................................................................ 1-7 1.4 MARINES TURTLES
    [Show full text]
  • Caudata: Plethodontidae) En El Salvador
    Rev. Biodivers. Neotrop.69 2013; 3 (1): 69-74 Nueva localidad y gradiente altitudinal de Oedipina taylori (Stuart, 1952) (Caudata: Plethodontidae) en El Salvador New location and gradient altitudinal of Oedipina taylori (Stuart, 1952) (Caudata: Plethodontidae) in El Salvador Emanuel Stanley Morán Hidalgo1, Vladlen Ernesto Henríquez2, Néstor Esaú Ruballo Marroquin3 Resumen Se da a conocer la nueva localidad y gradientes altitudinales de la especie Oedipina taylori en El Salvador. Se reporta la nueva ubicación para el Área Natural Protegida Río Sapo, departamento de Morazán, y se amplía su nueva distribución altitudinal en el Área Natural Protegida Parque Walter Thilo Deininger, departamento de La Libertad y Parque Nacional El Imposible, departamento de Ahuachapán. Palabras clave: Altitudinal, Gradiente, Nuevo, Registro, Salamandra. Abstract This research discloses the new location and altitudinal gradients for the species Oedipina taylori in El Salvador. We report the new location for the Rio Sapo Natural Protected Area, Morazán department, and its new wide altitudinal distribution in the Natural Protected Area Park Walter Thilo Deininger, department of La Libertad and El Imposible National Park, Ahuachapan department. Keywords: Altitudinal, Gradient, New, Record, Salamander. La diversidad de Salamandras, en los trópicos 1997), reportando actualmente 35 especies para Cen- del nuevo mundo ha aportado un gran número de tro América (Brame 1968, Köhler 2011, McCranie y especies, que son diversas en morfología y ecología Townsend 2011, Sunyer et al. 2011, Boza Oviedo et (Wake y Good 1997). El género Oedipina se distri- al. 2012, Brodie et al. 2012). El Salvador posee un buye desde el sur de México hasta el noroeste de solo representante Oedipina taylori (Köhler et al.
    [Show full text]
  • Cerrophidion Wilsoni Jadin, Townsend, Castoe, and Campbell, 2012. The
    Cerrophidion wilsoni Jadin, Townsend, Castoe, and Campbell, 2012. The Honduran Montane Pitviper is a priority one species with an EVS of 15, placing it in the high vulnerability category (see this paper). This pitviper is distributed primarily in lower montane rainforest at elevations from 1,400 to 3,491 m, but can occur peripherally in premontane rainforest and pine-oak forest as low as 1,220 m (Jadin et al. 2012). As indicated by Jadin et al. (2012: 10), this snake “occurs in at least 13 isolated highland forest areas across Eastern Nuclear Central America…and all known populations…are found within the borders of Honduras and El Salvador.” This juvenile individual was found in Refugio de Vida Silvestre Texíguat, in north-central Honduras. One of the describers of this taxon is the dedicatee of this paper, and the snake was named in honor of one of the authors. Photo by Josiah H. Townsend. Amphib. Reptile Conserv. 1 January 2019 | Volume 13 | Number 1 | e168 DEDICATION We are happy to dedicate this paper to our friend and Josiah H. Townsend. 2018. An integrative assessment colleague, Josiah H. Townsend, Associate Professor of of the taxonomic status of putative hybrid leopard frogs Biology at Indiana University of Pennsylvania, in Indiana, (Anura: Ranidae) from the Chortís Highlands of Central Pennsylvania. Over the last two decades, since he was America, with description of a new species. Systematics a student in one of Larry Wilson’s classes, Joe has built and Biodiversity 2018: 1–17. This paper is an example an imposing reputation as the principal authority on the of the seminal work being conducted by Joe Townsend herpetofauna of the biogeographically significant Chortís and his colleagues, which is exposing the underestimated Highlands of northern Central America.
    [Show full text]
  • New Genera and a New Species of Central American Salamanders, with a Review of the Tropical Genera (Amphibia, Caudata, Plethodontidae)
    NEW GENERA AND A NEW SPECIES OF CENTRAL AMERICAN SALAMANDERS, WITH A REVIEW OF THE TROPICAL GENERA (AMPHIBIA, CAUDATA, PLETHODONTIDAE) David B. and Paul Elias' ABSTRACT. A new genus and species of plethodontid bolitoglos- Chiropterotriton se seiiala como polifilttico y por lo tanto dos nuevos sin: salamander is described from material collected in northwestern generos se describen. Nototriton, nuevo gtnero, incluye el grupo Guatemala. Bradytriton silus new genus, new species, is unique in a picadoi de Chiropterotriton beta. Dendrotriton. nuevo gtnero, inclu- cornbination of structural characteristics that includes a laterally ye el grupo hromeliacia de Chiropterotriton beta. Las especies pre- cornpressed tail, stocky body with no clearly defined neck, and short, viamente incluidas en Chiropterotriton alfa permanecen como las slender limbs bearing syndactylous hands and feet. To diagnose the unicas representantes de este ghero. Ocho de 10s once generos neo- new genus, an analysis of the entire neotropical assemblage of pleth- tropicales se seiialan como monofiltticos. De 10s tres generos res- od(intid salamanders was undertaken. Approximately 138 species tantes, tanto Dendrotriton como Nototriton son monofiltticos en bel Jng to the supergenus Bolitoglossa and 1 1 genera are recognized. relacion a todos 10s gtneros except0 Oedipina, aunque Dendrotriton Th: genus Chiropterotriton is shown to be polyphyletic; thus, two es facilmente distinguible de Oedipina. Nototriton podria ser para- new genera are described. Nototriton new genus, includes the picadoi filt'tico en relacion a Oedipina, pero estos dos gtneros pueden ser group of Chiropterotriton beta. Dendrotriton new genus, includes the rapidamente reconocidos en base a sus marcadas diferencias en eco- hrc meliacia group of Chiropterotriton beta.
    [Show full text]