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4 edition of A revision of North American epigean species of Asellus (Crustacea: Isopoda) found in the catalog.

A revision of North American epigean species of Asellus (Crustacea: Isopoda)

W. D. Williams

A revision of North American epigean species of Asellus (Crustacea: Isopoda)

by W. D. Williams

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Published by Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] in Washington .
Written in English

    Places:
  • North America.
    • Subjects:
    • Asellus.,
    • Crustacea -- North America.

    • Edition Notes

      Bibliography: p. 77-79.

      Statement[by] W. D. Williams.
      SeriesSmithsonian contributions to zoology, no. 49, Smithsonian contributions to zoology ;, no. 49.
      Classifications
      LC ClassificationsQL1 .S54 no. 49, QL444.I8 .S54 no. 49
      The Physical Object
      Pagination80 p.
      Number of Pages80
      ID Numbers
      Open LibraryOL5025613M
      LC Control Number73610338

      A revision of North american Epigean species of Asellus (Crustacea: Isopoda). Washington, 80 pp. 57 figs. Soft cover, a bit soiled. (Smiths. contr. to Zool. 49). € 15, Antiquariaat Kok: Crowder,H.W. A revision of some Phlepsiuslike genera of the tribe Deltocephalini (Homoptera, Cicadellidae) in America north of Mexico. Kansas, The Evolution of Epigean and Stygobitic Species of Koonunga Sayce, (Syncarida: Anaspidacea) in Southern Australia, with the Description of Three New Species.

        Epigean and hypogean populations of Asellus aquaticus (Linne) from Slovenia (A. a. aquaticus, A. a. carniolicus Sket, A. a. cavernicolus Racovitza) were compared morphologically with those from Romania (A. a. aquaticus, A. a. ssp. from Mangalia). The highly troglomorphic Slovenian race (A. a. cavernicolus) was the reference for assessing the degree of troglomorphism in the Romanian Cited by: This group appears to have influenced at least one English speaking sys-tematist W.D. Williams to adopt Hennig’s phylogenetic systematics, see the acknowledgements and the citation of Hennig’s “Grundzüge” in W.D. Williams, , A revision of North American Epigean Species of Asellus (Custacea: Isopoda), Smithsonian Contributions to Cited by:

      The paper will deal with: three new species of cirolanid isopods and one new genus; one new genus andspecies of the stenasellid isopods; and two new species of hadziid amphipods belonging to two new genera. All thespecies and two genera are endemic to the Cuatro Ciénegas basin, and four genera were described originally from CuatroCiénegas. "A cladogram, key, diagnoses, descriptions, and maps are provided for the 18 known species of the North American spider genus Sergiolus. The synonymy of Sergiolus with the European genus Poecilochroa is disclaimed. Caridrassus magnus Bryant is transfered to Sergiolus.


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A revision of North American epigean species of Asellus (Crustacea: Isopoda) by W. D. Williams Download PDF EPUB FB2

Revision of North American epigean species of Asellus (Crustacea: Isopoda) (OCoLC) Material Type: Government publication, National government publication, Internet resource: Document Type: Book, Internet Resource: All Authors / Contributors: W D Williams; Smithsonian Institution.

Williams, W. A Revision of North American Epigean Species of Asellus (Crus-tacea: Isopoda). Smithsonian Contributions to Zoology, ,—A taxo-nomic revision of North America epigean species of Asellus is given based almost entirely upon a study of male material. Descriptions are given of A. communis Say, A.

Revision of North American epigean species of Asellus (Crustacea: Isopoda) (DLC) (OCoLC) Online version: Williams, W. (William David) Revision of North American epigean species of Asellus (Crustacea: Isopoda) Washington [D.C.]: Smithsonian Institution Press, (OCoLC) Material Type. Description of a New Species of Asellus: Journal/Book Name, Vol.

No.: Bulletin of the Illinois Museum of Natural History, no. 2 Publication Date: Article/Chapter Title: A Revision of North American Epigean Species of Asellus (Crustacea: Isopoda) Journal/Book Name, Vol. No.: Smithsonian Contributions to Zoology, no. Page(s): A Revision Of The North American Species Of Frullania, A Genus Of Hepaticae, Volume 10 [Evans, Alexander William] on *FREE* shipping on qualifying offers.

A Revision Of The North American Species Of Frullania, A Genus Of Hepaticae, Volume 10Author: Alexander William Evans.

A Revision of the North American Species of Buprestid Beetles Belonging to the Genus Agrilus [Fisher, W. S.] on *FREE* shipping on qualifying offers. A Revision of the North American Species of Buprestid Beetles Belonging to the Genus AgrilusCited by: Species: Caecidotea racovitzai.

Name. Caecidotea racovitzai (Williams, ) References. Williams, W.D. A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology 1– Links.

Caecidotea racovitzai in the World List of Marine Freshwater and Terrestrial Isopod Crustaceans. A revision of North American epigean species of Asellus (Crustacea: Isopoda). Smithsonian Contributions to Zoology 1– Caecidotea laticaudata in the World. Author(s): Williams,W D(William David) Title(s): A revision of North American epigean species of Asellus (Crustacea: Isopoda).

Country of Publication: United States Publisher: Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U. Govt. Print. Species. Asellus is divided into three subgenera which contain the following species: Asellus Geoffroy, Asellus alaskensis Bowman & Holmquist, ; Asellus amamiensis Matsumoto, ; Asellus aquaticus (Linnaeus, ); Asellus balcanicus Karaman, ; Asellus birsteini Levanidov, ; Asellus crypticus Collinge, ; Asellus epimeralis Birstein, ; Asellus ezoensis Matsumoto, Class: Malacostraca.

Revision of North-American species of Astragalus Item Preview Revision of North-American species of Astragalus by Jones, Marcus Eugene, Digitizing sponsor NCSU Libraries Contributor NCSU Libraries Language English.

9 Notes. Ink print light on some pages of the book. Addeddate Call number Camera Pages: Ecology. Known as "cress bugs" to anglers, Asellus aquaticus is common throughout the temperate zone including Europe, Russia, and North America.

It is found in rivers, streams and standing water particularly where there are plenty of stones under which it hides although not where the water is strongly acidic. It is a detrivore. Asellus aquaticus is relatively tolerant of a range of pollutants Family: Asellidae.

North America was very limited. In the meantime, some further species were reported from that area (Nash et al. ; Riefner ). These findings and difficulties in determining specimens with keys available made it soon clear that a new revision of the species occurring in SW North America was needed.

The genus Pertusaria is characterized by. This parasite occurs in the alimentary tract of Rana spp. in India, Sri Lanka, Burma, North American, and Europe. Frogs acquire the infection when they ingest crustacean larvae (Cyclops and Asellus species) containing the juveniles stages (Yamaguti, ).

Add to Book Bag Remove from Book Bag Saved in: Advances in decapod crustacean research: proceedings of the 7th Colloquium Crustacea Decapoda Mediterranea, held at the Faculty of Sciences of the University of Lisbon, Portugal, September /.

North of Cuxhaven, marine species dominate, including the blue mussel, the European green crab and small marine scuds (e.g. Gammarus salinus). Historic records of the invertebrate assemblages in the Elbe reveal a close relationship to the pollution status of the river at a given date, involving a dramatic reduction in species richness with.

The history of the star: Asellus Borealis. Gamma (γ) Cancer, Asellus borealis, the Northern Donkey; delta (δ) Asellus australis is the Southern Donkey. Among the stars of Cancer is a small grouping appearing on the back of the Crab’s shell which includes the Aselli, or Asses, along with Praesaepe (M44) the Beehive or Manger.

Popularly this configuration was known as the "Manger", or "Crib. Species Asellus akyioshiensis. Species Asellus alaskensis. Species Asellus amamiensis. Species Asellus aquaticus. Asellus aquaticus: pictures (1) ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe.

Though we edit our accounts for accuracy, we cannot guarantee all. species: Asellus (Asellus) aquaticus | Water hog lice/slaters Date: Scotland OSGR: NS Data resource: Invertebrate records from sites that are mainly across Scotland Basis of record: Human observation View record.

An Asellus hyugaensis in uska species han Malacostraca nga ginhulagway ni Matsumoto hadton An Asellus hyugaensis in nahilalakip ha genus nga Asellus, ngan familia nga Asellidae. Waray hini subspecies nga nakalista. Mga kasarigan. Ginhadi-an: Animalia. This paper is the second in the three part series dealing with the evolution of the North American isopods of the genus Asellus.

The generic status of Asellus is discussed with emphasis placed on the newly proposed genera of Henry and Magniez (). Use is made of comparative anatomical and where feasible statistical methods during this by: Ortega, H. and R.P. Vari, Annotated checklist of the freshwater fishes of Peru.

Smithson. Contrib. Zool. () (Ref. ).An Necalphus asellus in uska species han Coleoptera nga syahan ginhulagway ni Francis Polkinghorne Pascoe hadton An Necalphus asellus in nahilalakip ha genus nga Necalphus, ngan familia nga Cerambycidae.

Waray hini subspecies nga nakalista. Mga kasarigan. Ginhadi-an: Animalia.