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The Sclerotic Ring: Evolutionary Trends in Squamates
The sclerotic ring: Evolutionary trends in squamates by Jade Atkins A Thesis Submitted to Saint Mary’s University, Halifax, Nova Scotia in Partial Fulfillment of the Requirements for the Degree of Master of Science in Applied Science July, 2014, Halifax Nova Scotia © Jade Atkins, 2014 Approved: Dr. Tamara Franz-Odendaal Supervisor Approved: Dr. Matthew Vickaryous External Examiner Approved: Dr. Tim Fedak Supervisory Committee Member Approved: Dr. Ron Russell Supervisory Committee Member Submitted: July 30, 2014 Dedication This thesis is dedicated to my family, friends, and mentors who helped me get to where I am today. Thank you. ! ii Table of Contents Title page ........................................................................................................................ i Dedication ...................................................................................................................... ii List of figures ................................................................................................................. v List of tables ................................................................................................................ vii Abstract .......................................................................................................................... x List of abbreviations and definitions ............................................................................ xi Acknowledgements .................................................................................................... -
CITES Appendices I, II and III Valid from 10 March 2016
CONVENTION ON INTERNATIONAL TRADE IN ENDANGERED SPECIES OF WILD FAUNA AND FLORA Appendices I, II and III valid from 2 January 2017 Interpretation 1. Species included in these Appendices are referred to: a) by the name of the species; or b) as being all of the species included in a higher taxon or designated part thereof. 2. The abbreviation “spp.” is used to denote all species of a higher taxon. 3. Other references to taxa higher than species are for the purposes of information or classification only. The common names included after the scientific names of families are for reference only. They are intended to indicate the species within the family concerned that are included in the Appendices. In most cases this is not all of the species within the family. 4. The following abbreviations are used for plant taxa below the level of species: a) “ssp.” is used to denote subspecies; and b) “var(s).” is used to denote variety (varieties). 5. As none of the species or higher taxa of FLORA included in Appendix I is annotated to the effect that its hybrids shall be treated in accordance with the provisions of Article III of the Convention, this means that artificially propagated hybrids produced from one or more of these species or taxa may be traded with a certificate of artificial propagation, and that seeds and pollen (including pollinia), cut flowers, seedling or tissue cultures obtained in vitro, in solid or liquid media, transported in sterile containers of these hybrids are not subject to the provisions of the Convention. -
Reptile Fauna of the Chancani Reserve
©Österreichische Gesellschaft für Herpetologie e.V., Wien, Austria, download unter www.biologiezentrum.at SHORT NOTE HERPETOZOA 19(1/2) Wien, 30. Juli 2006 SHORT NOTE 85 tofauna of Round Island, Mauritius.- Biota, Race; 3(1- snake species (four families). Teius teyou 2): 77-84. PouGH, F. H. & ANDREWS, R. M. & CADLE, and Stenocercus doellojuradoi (lizards), and J. E. & CRUMP, M. L. & SAVITZKY, A. H & WELLS, K. D. (2004): Herpetology, third edition. Upper Saddle River Waglerophis merremi, Micrurus pyrrho- (Pearson, Prentice Hall), 726 pp. STAUB, F. (1993): cryptus and Crotalus durissus terrificus Fauna of Mauritius and associated flora. Port Louis, (snakes) were the most abundant species in Mauritius (Précigraph Ltd.), 97 pp.. each group (table 1). Field observations KEYWORDS: Reptilia: Squamata: Bolyeriidae, added three lizards (Tropidurus spinulosus, Bolyeria multocarinata; reproduction, eggs, additional newly discovered specimen, morphology, pholidosis Liolaemus sp. aff. gracilis and Vanzosaura rubricando) and one snake species {Boa SUBMITTED: May 20, 2005 constrictor occidentalis) and bibliographic AUTHORS: Dr. Jakob HALLERMANN, Biozent- rum Grindel und Zoologisches Museum Hamburg, sources added one turtle and one snake Martin-Luther-King-Platz 3, 20146 Hamburg, Germany species (table 1). < [email protected] >; Dr. Frank GLAW, Zo- We assigned the conservation status ologische Staatssammlung München, Münchhausen- categories provided by Secretarla de Ambi- straße 21, 81247 München, Germany < Frank.Glaw@ zsm.mwn.de > ente y Desarrollo Sustentable - Ministerio de Salud y Ambiente (2004). Accordingly, the lizard fauna of the Chancani Reserve Reptile fauna of the Chancani includes two species considered as "vulner- Reserve (Arid Chaco, Argentina): able" (Cnemidophorus serranus and Leio- species list and conservation status saurus paronae, and one Chaco endemic species (Stenocercus doellojuradoi) (LEY- The Chancani Provincial Reserve NAUD & BÛCHER 2005). -
GICAL Description of a Second Known Liotyphlops Caissara Specimen
Anais da Academia Brasileira de Ciências (2019) 91(3): e20181104 (Annals of the Brazilian Academy of Sciences) Printed version ISSN 0001-3765 / Online version ISSN 1678-2690 http://dx.doi.org/10.1590/0001-3765201920181104 www.scielo.br/aabc | www.fb.com/aabcjournal Description of a second known Liotyphlops caissara specimen (Serpentes: Anomalepididae) Running title: A SECOND KNOWN ARTHUR D. ABEGG1,2, WEVERTON S. AZEVEDO1, FRANCISCO L. FRANCO1 and MARCELO R. DUARTE1 SPECIMEN OF Liotyphlops caissara 1Laboratório Especial de Coleções Zoológicas, Instituto Butantan, Avenida Vital Brasil, 1500, 05503-900 São Paulo, SP, Brazil Academy Section: BIOLOGICAL 2Universidade de São Paulo/USP, Instituto de Biociências/IB, Rua do Matão, 14, 05508-090 São Paulo, SP, Brazil SCIENCES Manuscript received on October 19, 2018; accepted for publication on June 17, 2019 e20181104 How to cite: ABEGG AD, AZEVEDO WS, FRANCO FL AND DUARTE MR. 2019. Description of a second known Liotyphlops caissara specimen (Serpentes: Anomalepididae). An Acad Bras Cienc 91: e20181104. DOI 10.1590/0001- 3765201920181104. 91 Abstract: We recorded a second specimen of the poorly known insular blind snake Liotyphlops caissara. (3) This new specimen expands the morphological variation of the number of dorsal scales in the genus 91(3) Liotyphlops to 296 (vs. 304 in L. wilderi) and, considering the fact that the holotype of this species was destroyed, the present specimen represents the only available L. caissara individual in zoological collections. Also, this new record constitutes the first out of type locality and expands the distribution of the species in about 40 km to the northeastern. According to IUCN criteria (B1a, b [iii]), we suggest that L. -
Year of the Snake News No
Year of the Snake News No. 6 June 2013 www.yearofthesnake.org Snakes of Narrow Habitats by Andrew M. Durso known! Known to the native people Thermophis baileyi, of Tibet for centuries, hot-spring one of two species of snakes were first discovered in 1907 Tibetan Hot-springs by Lieutenant F. Bailey, after whom Snake, the highest snake in the world, a one of the two species was named. In native of the Tibetan 2008 a second species of Thermophis Plateau. Photo by Kai was discovered and named Wang. Thermophis zhaoermii for preeminent Chinese herpetologist Zhao Ermi. One reason we know only a little about Thermophis is its high mountain habitat. Most of the Many snake species are habitat spending your whole life in one! mountain ranges in China run east- generalists, such as the familiar North Now imagine being the size of a west, but the Hengduan Mountains, American ratsnakes, Australian pencil and unable to regulate your where Hot-spring Snakes are found, tiger snakes, and European grass own body temperature, and you’re stretch north-south (the name snakes. However, some snakes are doing a pretty good approximation ‘‘Hengduan” means ‘‘to transect” so specialized, it’s hard to believe. of a Tibetan Hot-spring Snake and ‘‘cut downward” in Chinese). Here, I’ll profile a few of the most (Thermophis). These tiny snakes Parallel north-south sub-ranges of specialized snakes (in terms of reach only 2.5 feet (76 cm) in the Hengduans are separated by habitat) on Earth. length and are found at elevations deep river valleys through which flow the famous Three Parallel Hot-spring Snakes above 14,000 feet (4267 m) on the Tibetan plateau in south-central Rivers: the Nujiang (Salween), Everyone likes a good soak in a hot China, higher than any other snake Lantsang (Mekong), and Jinshajiang spring now and again, but imagine continued on p. -
Phylogenetic Relationships of the Dwarf Boas and a Comparison of Bayesian and Bootstrap Measures of Phylogenetic Support
MOLECULAR PHYLOGENETICS AND EVOLUTION Molecular Phylogenetics and Evolution 25 (2002) 361–371 www.academicpress.com Phylogenetic relationships of the dwarf boas and a comparison of Bayesian and bootstrap measures of phylogenetic support Thomas P. Wilcox, Derrick J. Zwickl, Tracy A. Heath, and David M. Hillis* Section of Integrative Biology and Center for Computational Biology and Bioinformatics, The University of Texas at Austin, Austin, TX 78712, USA Received 4 February 2002; received in revised form 18 May 2002 Abstract Four New World genera of dwarf boas (Exiliboa, Trachyboa, Tropidophis, and Ungaliophis) have been placed by many syste- matists in a single group (traditionally called Tropidophiidae). However, the monophyly of this group has been questioned in several studies. Moreover, the overall relationships among basal snake lineages, including the placement of the dwarf boas, are poorly understood. We obtained mtDNAsequence data for 12S, 16S, and intervening tRNA–valgenes from 23 species of snakes repre- senting most major snake lineages, including all four genera of New World dwarf boas. We then examined the phylogenetic position of these species by estimating the phylogeny of the basal snakes. Our phylogenetic analysis suggests that New World dwarf boas are not monophyletic. Instead, we find Exiliboa and Ungaliophis to be most closely related to sand boas (Erycinae), boas (Boinae), and advanced snakes (Caenophidea), whereas Tropidophis and Trachyboa form an independent clade that separated relatively early in snake radiation. Our estimate of snake phylogeny differs significantly in other ways from some previous estimates of snake phy- logeny. For instance, pythons do not cluster with boas and sand boas, but instead show a strong relationship with Loxocemus and Xenopeltis. -
Herpetology at the Isthmus Species Checklist
Herpetology at the Isthmus Species Checklist AMPHIBIANS BUFONIDAE true toads Atelopus zeteki Panamanian Golden Frog Incilius coniferus Green Climbing Toad Incilius signifer Panama Dry Forest Toad Rhaebo haematiticus Truando Toad (Litter Toad) Rhinella alata South American Common Toad Rhinella granulosa Granular Toad Rhinella margaritifera South American Common Toad Rhinella marina Cane Toad CENTROLENIDAE glass frogs Cochranella euknemos Fringe-limbed Glass Frog Cochranella granulosa Grainy Cochran Frog Espadarana prosoblepon Emerald Glass Frog Sachatamia albomaculata Yellow-flecked Glass Frog Sachatamia ilex Ghost Glass Frog Teratohyla pulverata Chiriqui Glass Frog Teratohyla spinosa Spiny Cochran Frog Hyalinobatrachium chirripoi Suretka Glass Frog Hyalinobatrachium colymbiphyllum Plantation Glass Frog Hyalinobatrachium fleischmanni Fleischmann’s Glass Frog Hyalinobatrachium valeroi Reticulated Glass Frog Hyalinobatrachium vireovittatum Starrett’s Glass Frog CRAUGASTORIDAE robber frogs Craugastor bransfordii Bransford’s Robber Frog Craugastor crassidigitus Isla Bonita Robber Frog Craugastor fitzingeri Fitzinger’s Robber Frog Craugastor gollmeri Evergreen Robber Frog Craugastor megacephalus Veragua Robber Frog Craugastor noblei Noble’s Robber Frog Craugastor stejnegerianus Stejneger’s Robber Frog Craugastor tabasarae Tabasara Robber Frog Craugastor talamancae Almirante Robber Frog DENDROBATIDAE poison dart frogs Allobates talamancae Striped (Talamanca) Rocket Frog Colostethus panamensis Panama Rocket Frog Colostethus pratti Pratt’s Rocket -
The Ecological Origins of Snakes As Revealed by Skull Evolution
ARTICLE DOI: 10.1038/s41467-017-02788-3 OPEN The ecological origins of snakes as revealed by skull evolution Filipe O. Da Silva1, Anne-Claire Fabre2, Yoland Savriama1, Joni Ollonen1, Kristin Mahlow3, Anthony Herrel2, Johannes Müller3 & Nicolas Di-Poï 1 The ecological origin of snakes remains amongst the most controversial topics in evolution, with three competing hypotheses: fossorial; marine; or terrestrial. Here we use a geometric 1234567890():,; morphometric approach integrating ecological, phylogenetic, paleontological, and developmental data for building models of skull shape and size evolution and developmental rate changes in squamates. Our large-scale data reveal that whereas the most recent common ancestor of crown snakes had a small skull with a shape undeniably adapted for fossoriality, all snakes plus their sister group derive from a surface-terrestrial form with non-fossorial behavior, thus redirecting the debate toward an underexplored evolutionary scenario. Our comprehensive heterochrony analyses further indicate that snakes later evolved novel craniofacial specializations through global acceleration of skull development. These results highlight the importance of the interplay between natural selection and developmental processes in snake origin and diversification, leading first to invasion of a new habitat and then to subsequent ecological radiations. 1 Program in Developmental Biology, Institute of Biotechnology, University of Helsinki, 00014 Helsinki, Finland. 2 Département Adaptations du vivant, UMR 7179 C.N.R.S/M.N.H.N., -
[email protected] Biodiversity @Maddreptiles
Timothy Colston Biological Science Harnessing NGS Technologies to Understand Biological Diversification: From Microbes to Macroevolutionary Patterns [email protected] Biodiversity @maddreptiles Source: International Conference on Biodiversity Motivation & Tools –Molecular [email protected] @maddreptiles (NGS) [email protected] Biodiversity @maddreptiles Source: International Conference on Biodiversity [email protected] Biodiversity @maddreptiles [email protected] Biodiversity –the “microbiome” @maddreptiles NGS Sequencing [email protected] Biodiversity –the “microbiome” @maddreptiles NGS Sequencing [email protected] Biodiversity –the “microbiome” @maddreptiles • Plants and Animals are “metagenomic organisms” – Co‐evolution • Host‐associated microbial cells ~ 10X number of host cells – Fitness/Selection – Heritable by Gaby D'Allesandro / © AMNH [email protected] Biodiversity –the “microbiome” @maddreptiles • Plants and Animals are “metagenomic organisms” – Co‐evolution • Host‐associated microbial genes > 10X number of host cells – Fitness/Selection – Heritable by Gaby D'Allesandro / © AMNH [email protected] Biodiversity –the “microbiome” @maddreptiles Mammals Fish Birds Amphibians Reptiles Colston, T.J. & Jackson, C.R. (2016) Molecular Ecology The Reptile Microbiome C h a m A a g e a A l m e m V o L i a p d n a h a i r H d a n i s e e L t T a n b h S l a r a i A o e A d o a c h X e d n g n a n e i n D e T e o n g r e o n i n t n r r a d i u i L t i s m o o e d o c i a e i d a p p a l s t d e i a y l h o i e a u d a i a l d t C c i B o r u -
A Phylogeny and Revised Classification of Squamata, Including 4161 Species of Lizards and Snakes
BMC Evolutionary Biology This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes BMC Evolutionary Biology 2013, 13:93 doi:10.1186/1471-2148-13-93 Robert Alexander Pyron ([email protected]) Frank T Burbrink ([email protected]) John J Wiens ([email protected]) ISSN 1471-2148 Article type Research article Submission date 30 January 2013 Acceptance date 19 March 2013 Publication date 29 April 2013 Article URL http://www.biomedcentral.com/1471-2148/13/93 Like all articles in BMC journals, this peer-reviewed article can be downloaded, printed and distributed freely for any purposes (see copyright notice below). Articles in BMC journals are listed in PubMed and archived at PubMed Central. For information about publishing your research in BMC journals or any BioMed Central journal, go to http://www.biomedcentral.com/info/authors/ © 2013 Pyron et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. A phylogeny and revised classification of Squamata, including 4161 species of lizards and snakes Robert Alexander Pyron 1* * Corresponding author Email: [email protected] Frank T Burbrink 2,3 Email: [email protected] John J Wiens 4 Email: [email protected] 1 Department of Biological Sciences, The George Washington University, 2023 G St. -
Snake Communities Worldwide
Web Ecology 6: 44–58. Testing hypotheses on the ecological patterns of rarity using a novel model of study: snake communities worldwide L. Luiselli Luiselli, L. 2006. Testing hypotheses on the ecological patterns of rarity using a novel model of study: snake communities worldwide. – Web Ecol. 6: 44–58. The theoretical and empirical causes and consequences of rarity are of central impor- tance for both ecological theory and conservation. It is not surprising that studies of the biology of rarity have grown tremendously during the past two decades, with particular emphasis on patterns observed in insects, birds, mammals, and plants. I analyse the patterns of the biology of rarity by using a novel model system: snake communities worldwide. I also test some of the main hypotheses that have been proposed to explain and predict rarity in species. I use two operational definitions for rarity in snakes: Rare species (RAR) are those that accounted for 1% to 2% of the total number of individuals captured within a given community; Very rare species (VER) account for ≤ 1% of individuals captured. I analyse each community by sample size, species richness, conti- nent, climatic region, habitat and ecological characteristics of the RAR and VER spe- cies. Positive correlations between total species number and the fraction of RAR and VER species and between sample size and rare species in general were found. As shown in previous insect studies, there is a clear trend for the percentage of RAR and VER snake species to increase in species-rich, tropical African and South American commu- nities. This study also shows that rare species are particularly common in the tropics, although habitat type did not influence the frequency of RAR and VER species. -
Waite's Blind Snakes (Squamata: Scolecophidia
© Copyright Australian Museum, 1999 Records of the Australian Museum (1999) Vol. 51: 43–56. ISSN 0067–1975 Waite’s Blind Snakes (Squamata: Scolecophidia: Typhlopidae): Identification of Sources and Correction of Errors GLENN M. SHEA Department of Veterinary Anatomy & Pathology, University of Sydney NSW 2006, Australia [email protected] ABSTRACT. The majority of the 542 typhlopid specimens examined by Edgar Waite for his 1918 monograph of the family are identified, and their current status discussed. Most Waite records that do not correspond with the distribution based on modern records are shown to be in error, involving either misidentifications, misreadings of localities, or transposition of data. A few remaining problematic records are considered dubious due to a lack of supporting data. Ramphotyphlops batillus (Waite, 1894), known only from the holotype from Wagga Wagga, NSW, is restored to the Australian fauna, and new data on the type are provided. Probable paratypes for Typhlops grypus (SAM R849; QM J2947), T. proximus (AM R615, R145401– 07, SAM R915) and T. subocularis (AM R2169) are identified. New data on dorsal scale counts are provided for Ramphotyphlops leucoproctus (377–394), R. polygrammicus (370–422), R. proximus (326– 392), R. wiedii (381–439) and R. yirrikalae (447–450). SHEA, GLENN M., 1999. Waite’s blind snakes (Squamata: Scolecophidia: Typhlopidae): identification of sources and correction of errors. Records of the Australian Museum 51(1): 43–56. Although a number of species of Australian typhlopid work, particularly his key, distribution maps and figures, snakes had been described by European herpetologists in has been the main source of much of the subsequent the nineteenth century, notably Wilhelm Peters and George literature on Australian typhlopids.