Fossils – Adriano Kury’S Harvestman Overviews and the Third Edition of the Manual of Acarology for Mites
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Lathys Stigmatisata (Menge, 1869), Ballus Rufipes (Simon, 1868), Synageles Hilarulus (C.L
Lathys stigmatisata (Menge, 1869), Ballus rufipes (Simon, 1868), Synageles hilarulus (C.L. Koch, 1846), Phrurolithus nigrinus (Simon, 1878) and Phycosoma inornatum (O. Pickard-Cambridge, 1861): five spiders new to the fauna of Luxembourg (Araneae: Theridiidae, Dyctiniidae, Phrurolithidae, Salticidae) with records of other rare species Raoul Gerend 35, rue de Hellange L-3487 Dudelange, Luxembourg ([email protected]) Gerend, R., 2020. Lathys stigmatisata (Menge, 1869), Ballus rufipes(Simon, 1868), Synageles hilarulus (C.L. Koch, 1846), Phrurolithus nigrinus (Simon, 1878) and Phycosoma inornatum (O. Pickard-Cambridge, 1861): five spiders new to the fauna of Luxembourg (Araneae: Theridiidae, Dyctiniidae, Phrurolithidae, Salticidae) with records of other rare species. Bul- letin de la Société des naturalistes luxembourgeois 122 : 211-215. Published online 26 August 2020 (ISSN 2716-750X). Abstract. Five spider species are recorded for the first time from Luxembourg. Their habi- tats are described. New data are presented for another three species. The importance of the former open-cast iron ore quarries of southwestern Luxembourg for thermophilous spiders is emphasised. 1. Introduction 2. Material and methods The first catalogue of the spider fauna of Lux- Spiders were collected using a range of con- embourg published in 2019 (Kreuels et al.) ventional methods which shall be specified lists 495 species while the authors estimate in the respective species’ paragraph. The that roughly 600 to 700 species should rea- spiders were then preserved in 70% isopro- sonably be expected to occur in the Grand- panol or 70% ethanol. All the material is Duchy. They consider Luxembourg’s spider kept in the author’s collection. Identifica- fauna to be rather under-recorded, due to a tions are based on Roberts (1996), Bee et lack of systematic collecting throughout the al. -
Functional Morphology and Evolu Tion of Xiphosurids
Func tional morphol ogy and evolu tion of xiphosurids JAN BERGSTROM Bergstrom, J. 1 975 07 15: Functional morphology and evolution of xiphosurids. Fossils and Strata, No. 4, pp. 291-305, Pl. 1. Oslo. ISSN 0300-9491. ISBN 82-00-04963-9. Aspects of the morphology, evolution and systematics of the Xiphosurida are treated. The ancestrai forms lacked specialization for ploughing, and their chilaria were evidently developed as prosomal walking legs. The cor responding tergite (of the pregenital segment) was probably separate from the main prosomal shield in the early xiphosurids as well as in the eurypter ids. From this stem two main groups seem to have evolved. One consists of the synziphosurids, large-eyed eurypterid-like hunters with stri king opistho somal tagmosis. The other consists of the burrowing and ploughing xipho surids, in which the opisthosomal tergites were subject to progressive fusion ending with a single opisthothoracic tergal shield in the Late Palaeo zoic. The last prosomal appendages evolved into the chilaria, if this did not happen earlier, and the corresponding free tergite disappeared. Probably in Carboniferous time the limulines came into existence through a sudden displacement of the prosomal/opisthosomal boundary. Jan Bergstram, Department of His torical Geology and Palaeontology, Un iversity of Lund, Solvegatan 13, S-223 62 Lund, 1st August 1973. The Xiphosura may be considered to constitute a subdass or dass of chelicerate arthropods. The delimitation has been diseussed in the past, but no general agreement seems to exist. Generally, the xiphosurids are induded with the aglaspidids and eurypterids in the Merostorna ta. However, as generally understood, this taxon probably represents an evolutionary grade rather than a phylogenetic unit. -
Biostratigraphy of Some Early Middle Silurian Ostracoda, Eastern Canada PART 11- Additional Silurian Arthropoda from Arctic and Eastern Canada
This document was produced by scanning the original publication. Ce document est Ie produit d'une numerisation par balayage de la publication originale. BULLETIN 200 PART I - Biostratigraphy of some early Middle Silurian Ostracoda, eastern Canada PART 11- Additional Silurian Arthropoda from Arctic and eastern Canada M. J. Copeland Ottawa Canada Price $1.50 1971 PART I - Biostratigraphy of some Early Middle Silurian Ostracoda, eastern Canada PART II-Additional Silurian Arthropoda from Arctic and eastern Canada 1,IOO.1970.6119 GEOLOGICAL SURVEY OF CANADA BULLETIN 200 PART I - Biostratigraphy of some Early Middle Silurian Ostracoda, eastern Canada PART II-Additional Silurian Arthropoda from Arctic and eastern Canada By M. J. Copeland DEPARTMENT OF ENERGY, MINES AND RESOURCES CANADA © Crown Copyrights reserved Available by mail from Information Canada, Ottawa, from neological Survey of Canada, 601 Booth St., Oltawa. and at the following Information Canada bookshops: HALIFAX 1735 Barrington Street MONTREAL Mterna-Vie Building, 1182 St. Catherine Street West OITAWA 171 Slater Street TORONTO 221 Yonge Street WINNIPEG Mall Center Building, 499 Portage Avenue VANCOUVER 657 Granville Street or through your bookseller A deposit copy of this publication is also available for reference in public libraries across Canada Price: $1.50 Catalogue No. M42-200 Price subject to change without notice Information Canada Ottawa, 1971 PREFACE As more detailed information is obtained on the stra tigraphic occurrence and systematic paleontology of Paleozoic Arthropoda, it is increasingly evident that these forms present a useful key for determining the paleontological zonation and age relationships of the enclosing rocks. They are particularly important in strata of lacustrine, brackish, or restricted marine environments in which rapidly evolving leperditiid ostra codes, eurypterids, and phyllocarids may occur to the exclusion of other distinctive faunal elements. -
Revised Correlation of Silurian Provincial Series of North America with Global and Regional Chronostratigraphic Units 13 and D Ccarb Chemostratigraphy
Revised correlation of Silurian Provincial Series of North America with global and regional chronostratigraphic units 13 and d Ccarb chemostratigraphy BRADLEY D. CRAMER, CARLTON E. BRETT, MICHAEL J. MELCHIN, PEEP MA¨ NNIK, MARK A. KLEFF- NER, PATRICK I. MCLAUGHLIN, DAVID K. LOYDELL, AXEL MUNNECKE, LENNART JEPPSSON, CARLO CORRADINI, FRANK R. BRUNTON AND MATTHEW R. SALTZMAN Cramer, B.D., Brett, C.E., Melchin, M.J., Ma¨nnik, P., Kleffner, M.A., McLaughlin, P.I., Loydell, D.K., Munnecke, A., Jeppsson, L., Corradini, C., Brunton, F.R. & Saltzman, M.R. 2011: Revised correlation of Silurian Provincial Series of North America with global 13 and regional chronostratigraphic units and d Ccarb chemostratigraphy. Lethaia,Vol.44, pp. 185–202. Recent revisions to the biostratigraphic and chronostratigraphic assignment of strata from the type area of the Niagaran Provincial Series (a regional chronostratigraphic unit) have demonstrated the need to revise the chronostratigraphic correlation of the Silurian System of North America. Recently, the working group to restudy the base of the Wen- lock Series has developed an extremely high-resolution global chronostratigraphy for the Telychian and Sheinwoodian stages by integrating graptolite and conodont biostratigra- 13 phy with carbonate carbon isotope (d Ccarb) chemostratigraphy. This improved global chronostratigraphy has required such significant chronostratigraphic revisions to the North American succession that much of the Silurian System in North America is cur- rently in a state of flux and needs further refinement. This report serves as an update of the progress on recalibrating the global chronostratigraphic correlation of North Ameri- can Provincial Series and Stage boundaries in their type area. -
Surface-Active Spiders (Araneae) in Ley and Field Margins
Norw. J. Entomol. 51, 57–66. 2004 Surface-active spiders (Araneae) in ley and field margins Reidun Pommeresche Pommeresche, R. 2004. Surface-active spiders (Araneae) in ley and field margins. Norw. J. Entomol. 51, 57-66. Surface-active spiders were sampled from a ley and two adjacent field margins on a dairy farm in western Norway, using pitfall traps from April to June 2001. Altogether, 1153 specimens, represent- ing 33 species, were found. In total, 10 species were found in the ley, 16 species in the edge of the ley, 22 species in the field margin “ley/forest” and 16 species in the field margin “ley/stream”. Erigone atra, Bathyphantes gracilis, Savignia frontata and Collinsia inerrans were the most abun- dant species in the ley. C. inerrans was not found in the field margins. This species is previously recorded only a few times in Norway. Diplocephalus latifrons, Tapinocyba insecta, Dicymbium tibiale, Bathyphantes nigrinus and Diplostyla concolor were most abundant in the field margin “ley/ forest”. D. latifrons, D. tibiale and Pardosa amentata were most abundant in the field margin “ley/ stream”, followed by E. atra and B. gracilis. The present results were compared to results from ley and pasture on another farm in the region, recorded in 2000. A Detrended Correspondence Analyses (DCA) of the data sets showed that the spider fauna from the leys were more similar, independent of location, than the fauna in ley and field margins on the same locality. The interactions between cultivated fields and field margins according to spider species composition, dominance pattern and habitat preferences are discussed. -
Xiphosurans from the Westphalian D of the Radstock Basin, Somerset Coalfield, the South Wales Coalfield and Mazon Creek, Illinois
Xiphosurans from the Westphalian D of the Radstock Basin, Somerset Coalfield, the South Wales Coalfield and Mazon Creek, Illinois Lyall I. Anderson ANDERSON, L. I. 1994. Xiphosurans from the Westphalian D of the Radstock Basin, Somerset Coalfield, the South Wales Coalfield and Mazon Creek, Illinois. Proceedings of the Geologists' Association, 105, 265-275. Euproops kilmersdonensis Ambrose & Romano, 1972 is proposed as a synonym of Euproops danae (Meek & Worthen, 1865) from Mazon Creek, Illinois. Five other species attributed to Euproops Meek, 1867 and one species attributed to Prestwichianella nitida Dix & Pringle, 1929, from the Westphalian D of the South Wales Coalfield, described by Dix & Pringle (1929, 1930) are also synonymized with E. danae. In addition, six species described by Raymond (1944) from Mazon Creek are synonymized with E. danae. The taphonomic processes acting upon xiphosuran body fossils produce spurious morphological differences between speci mens, which have been used in the past to define species. It is concluded that species diversity within the Carboniferous Xiphosura was low, contrary to previous reports (Fisher, 1984). The mode of life of E. danae is re-evaluated in the light of trace fossils recently described by Pollard & Hardy (1991) from Writhlington Geological Nature Reserve, and from palaeophysiological considerations. Department of Geology, University of Manchester, Manchester M13 9PL. 1. INTRODUCTION would have served previous workers well had they taken Xiphosuran body fossils collected from the mine tip of this into consideration. However, there is another factor the Kilmersdon Colliery near Radstock, Somerset by which could potentially cause distortion of a fossil: students of the Department of Geology, University of dorso-ventral compressional approximation, and it was Sheffield were described as Euproops kilmersdonensis recognition of this that prompted re-examination of Ambrose & Romano, 1972. -
A Protocol for Online Documentation of Spider Biodiversity Inventories Applied to a Mexican Tropical Wet Forest (Araneae, Araneomorphae)
Zootaxa 4722 (3): 241–269 ISSN 1175-5326 (print edition) https://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2020 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4722.3.2 http://zoobank.org/urn:lsid:zoobank.org:pub:6AC6E70B-6E6A-4D46-9C8A-2260B929E471 A protocol for online documentation of spider biodiversity inventories applied to a Mexican tropical wet forest (Araneae, Araneomorphae) FERNANDO ÁLVAREZ-PADILLA1, 2, M. ANTONIO GALÁN-SÁNCHEZ1 & F. JAVIER SALGUEIRO- SEPÚLVEDA1 1Laboratorio de Aracnología, Facultad de Ciencias, Departamento de Biología Comparada, Universidad Nacional Autónoma de México, Circuito Exterior s/n, Colonia Copilco el Bajo. C. P. 04510. Del. Coyoacán, Ciudad de México, México. E-mail: [email protected] 2Corresponding author Abstract Spider community inventories have relatively well-established standardized collecting protocols. Such protocols set rules for the orderly acquisition of samples to estimate community parameters and to establish comparisons between areas. These methods have been tested worldwide, providing useful data for inventory planning and optimal sampling allocation efforts. The taxonomic counterpart of biodiversity inventories has received considerably less attention. Species lists and their relative abundances are the only link between the community parameters resulting from a biotic inventory and the biology of the species that live there. However, this connection is lost or speculative at best for species only partially identified (e. g., to genus but not to species). This link is particularly important for diverse tropical regions were many taxa are undescribed or little known such as spiders. One approach to this problem has been the development of biodiversity inventory websites that document the morphology of the species with digital images organized as standard views. -
A Summary List of Fossil Spiders
A summary list of fossil spiders compiled by Jason A. Dunlop (Berlin), David Penney (Manchester) & Denise Jekel (Berlin) Suggested citation: Dunlop, J. A., Penney, D. & Jekel, D. 2010. A summary list of fossil spiders. In Platnick, N. I. (ed.) The world spider catalog, version 10.5. American Museum of Natural History, online at http://research.amnh.org/entomology/spiders/catalog/index.html Last udated: 10.12.2009 INTRODUCTION Fossil spiders have not been fully cataloged since Bonnet’s Bibliographia Araneorum and are not included in the current Catalog. Since Bonnet’s time there has been considerable progress in our understanding of the spider fossil record and numerous new taxa have been described. As part of a larger project to catalog the diversity of fossil arachnids and their relatives, our aim here is to offer a summary list of the known fossil spiders in their current systematic position; as a first step towards the eventual goal of combining fossil and Recent data within a single arachnological resource. To integrate our data as smoothly as possible with standards used for living spiders, our list follows the names and sequence of families adopted in the Catalog. For this reason some of the family groupings proposed in Wunderlich’s (2004, 2008) monographs of amber and copal spiders are not reflected here, and we encourage the reader to consult these studies for details and alternative opinions. Extinct families have been inserted in the position which we hope best reflects their probable affinities. Genus and species names were compiled from established lists and cross-referenced against the primary literature. -
AMCS Bulletin 5 Reprint a REPORT on CAVE SPIDERS FROM
!"#$%&'(()*+,%-%.)/0+,* A REPORT ON CAVE SPIDERS FROM MEXICO AND CENTRAL AMERICA 1 Willis J. Gertsch2 Curator Emeritus, American Museum of Natural History, New York About one hundred species of spiders have so far can caves. been reported from cave habitats in Mexico and in- The obligate cavernicoles are always of special tensive collecting surveys will eventually enlarge this interest because of deep commitment to cave exist- list several times. In an earlier paper Gertsch (1971) ence. Six additional species from Mexico and Central cited 86 species, most of them new, and the present America enlarge this total to 19 from the 13 Mexican report further enlarges the Mexican fauna by addition taxa noted in the earlier paper. Two additional fami- of 20 species of which 16 are herein described for the lies, Telemidae and Ochyroceratidae, are now repre- first time. In addition, eight new species are reported sented as listed below. from caves in Guatemala, Belize (British Honduras), Family Dipluridae and Panama of Central America, the larger area con- Euagrus anops, new species sidered in this paper. Additional records with full Cueva de la Porra, San Luis POtOSI: Mexico. collecting data are presented for some species noted Family Theraphosidae on earlier lists, and I look forward to future considera- Schizopelma reddelli, new species tion of spider families not mentioned here. Cueva del Nacimiento del RIO San Antonio, Spiders are important predators of crawling and Oaxaca, Mexico. flying invertebrates and penetrate into all parts of Family Pholcidae caves where prey is present. The regional cave fauna is Metagonia martha, new species derived from local taxa and comprises distinctive ele- Cueva del Nacimiento del RIO San Antonio, ments. -
Chelicerata; Eurypterida) from the Campbellton Formation, New Brunswick, Canada Randall F
Document generated on 10/01/2021 9:05 a.m. Atlantic Geology Nineteenth century collections of Pterygotus anglicus Agassiz (Chelicerata; Eurypterida) from the Campbellton Formation, New Brunswick, Canada Randall F. Miller Volume 43, 2007 Article abstract The Devonian fauna from the Campbellton Formation of northern New URI: https://id.erudit.org/iderudit/ageo43art12 Brunswick was discovered in 1881 at the classic locality in Campbellton. About a decade later A.S. Woodward at the British Museum (Natural History) (now See table of contents the Natural History Museum, London) acquired specimens through fossil dealer R.F. Damon. Woodward was among the first to describe the fish assemblage of ostracoderms, arthrodires, acanthodians and chondrichthyans. Publisher(s) At the same time the museum also acquired specimens of a large pterygotid eurypterid. Although the vertebrates received considerable attention, the Atlantic Geoscience Society pterygotids at the Natural History Museum, London are described here for the first time. The first pterygotid specimens collected in 1881 by the Geological ISSN Survey of Canada were later identified by Clarke and Ruedemann in 1912 as Pterygotus atlanticus, although they suggested it might be a variant of 0843-5561 (print) Pterygotus anglicus Agassiz. An almost complete pterygotid recovered in 1994 1718-7885 (digital) from the Campbellton Formation at a new locality in Atholville, less than two kilometres west of Campbellton, has been identified as P. anglicus Agassiz. Like Explore this journal the specimens described by Clarke and Ruedemann, the material from the Natural History Museum, London is herein referred to P. anglicus. Cite this article Miller, R. F. (2007). Nineteenth century collections of Pterygotus anglicus Agassiz (Chelicerata; Eurypterida) from the Campbellton Formation, New Brunswick, Canada. -
Hypothesis of Eurypterid Palaeoecology
Palaeogeography, Palaeoclimatology, Palaeoecology 311 (2011) 63–73 Contents lists available at SciVerse ScienceDirect Palaeogeography, Palaeoclimatology, Palaeoecology journal homepage: www.elsevier.com/locate/palaeo Testing the ‘mass-moult-mate’ hypothesis of eurypterid palaeoecology Matthew B. Vrazo ⁎, Simon J. Braddy Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen's Road, Bristol, BS8 1RJ, UK article info abstract Article history: The eurypterids (Arthropoda: Chelicerata), some of the earliest arthropods to undertake amphibious Received 6 May 2011 excursions onto land, are generally rare in the fossil record, but are sometimes found in great abundance, for Received in revised form 16 July 2011 example in the Late Silurian Bertie Group of New York State. The mass-moult-mate hypothesis has been Accepted 29 July 2011 proposed to explain such occurrences, whereby eurypterids undertook mass migrations into near shore Available online 5 August 2011 settings and lagoons to moult, mate and spawn, similar to the behaviour of living horseshoe crabs. This hypothesis is tested using measurements from over 600 Eurypterus specimens from three localities in the Keywords: Arthropod Bertie Group; Eurypterus remipes, from the Fiddlers Green Formation, and the slightly larger Eurypterus Exuvia lacustris, from the overlying Williamsville Formation. Disarticulation patterns support previous evidence for Taphonomy moulted assemblages. A significant predominance of female exuviae is noted at each locality, unlike studies on Biofacies modern Limulus populations. Therefore, a modified mass-mate-spawn-moult hypothesis is proposed here: Silurian males returned to deeper waters after mating, whereas females, having mated, remained at the breeding sites Eurypterus to deposit their eggs before moulting. After hatching, eurypterid larvae and juveniles remained in these spawning grounds until they matured and could move to deeper water, in comparison with Limulus. -
1 Appendix 3. Gulf Islands Taxonomy Report
Appendix 3. Gulf Islands Taxonomy Report Class Order Family Genus Species Arachnida Araneae Agelenidae Agelenopsis Agelenopsis utahana Eratigena Eratigena agrestis Amaurobiidae Callobius Callobius pictus Callobius severus Antrodiaetidae Antrodiaetus Antrodiaetus pacificus Anyphaenidae Anyphaena Anyphaena aperta Anyphaena pacifica Araneidae Araneus Araneus diadematus Clubionidae Clubiona Clubiona lutescens Clubiona pacifica Clubiona pallidula Cybaeidae Cybaeus Cybaeus reticulatus Cybaeus signifer Cybaeus tetricus Dictynidae Emblyna Emblyna peragrata Gnaphosidae Sergiolus Sergiolus columbianus Zelotes Zelotes fratris Linyphiidae Agyneta Agyneta darrelli Agyneta fillmorana Agyneta protrudens Bathyphantes Bathyphantes brevipes Bathyphantes keeni 1 Centromerita Centromerita bicolor Ceratinops Ceratinops latus Entelecara Entelecara acuminata Erigone Erigone aletris Erigone arctica Erigone cristatopalpus Frederickus Frederickus coylei Grammonota Grammonota kincaidi Linyphantes Linyphantes nehalem Linyphantes nigrescens Linyphantes pacificus Linyphantes pualla Linyphantes victoria Mermessus Mermessus trilobatus Microlinyphia Microlinyphia dana Neriene Neriene digna Neriene litigiosa Oedothorax Oedothorax alascensis Pityohyphantes Pityohyphantes alticeps Pocadicnemis Pocadicnemis pumila Poeciloneta Poeciloneta fructuosa Saaristoa Saaristoa sammamish Scotinotylus Scotinotylus sp. 5GAB Semljicola Semljicola sp. 1GAB Sisicottus Spirembolus Spirembolus abnormis Spirembolus mundus Tachygyna Tachygyna ursina Tachygyna vancouverana Tapinocyba Tapinocyba