Results 121 to 130 of about 230 (160)

Astacidae Latreille 1802

2010
KEY TO THE CRAYFISH OF ASTACIDAE FOUND IN BULGARIA 1 ‒ Area behind cervical groove smooth, cervical spines absent (Fig. 1a), rostral borders triangle (Fig. 1b), chelae surface granulation very big (Fig. 1c), under side dirty white or reddish (Fig. 1d).
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???????????? ???????? (Crustacea, Astacidae) ???????????????????? ??????????. ?????????????????? V. ?????????????????????????? ???????????????? ?????????????? ?????????????????????? ???????????????????????????????????????????? ?????????? ?????????????????? Astacidae

2023
The Austropotamobius and Astacus genera from the Astacina subfamily and their smaller taxons from their reservation, the Neweuxin basin, immigrated to rivers in six groups. Depending on the degree of adaptation to salinity, getting over integrating ten vironment resistance??, they penetrated to the regions of modern inhabitance of their ta xons and ...
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The Genus Orconectes in Louisiana (Decapoda, Astacidae)

American Midland Naturalist, 1952
This is the second of a series of four papers on the crawfishes of Louisiana; the first, on the genus Cambarellus, appeared in this journal (Penn, 1950b), wlhich see for introductory reimiarks. Many of the specimens on which these studies are based liave since bcen placed in other collections.
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???????????? ???????? (Crustacea, Astacidae) ???????????????????? ??????????. ?????????????????? I. ?????????????? ???????????? ?? ?????????????????????????? ?????????????????????????? ?????????????????? Astacidae

2023
On the basis of modern concepts on classification of the family Astacidae its characteristic and key are given. By means of the key all the family's taxons presented in the Crustacea fauna of the USSR can be determined. It is recommended to develop researches on studying the composition of the Crustacea fauna in different geographical zones and regions
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???????????? ???????? (Crustacea, Astacidae) ???????????????????? ??????????. ?????????????????? IV. ?? ?????????????? ?? ?????????? ???????????????? ????????-?????????????????? ???????????? ?????????? ?? ?????????????? ????????

2023
The observations of crawfish behaviour were carried out in artificial water bodies with varying existence conditions. Migration of the western-palearctic Astacidae species to fresh waters in the Ancient Old Pontian Black sea epoch is substantiated. The immigration theory of the Caspian fauna origin (including Astacidae) in the Pontoazovian area is ...
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Global diversity of crayfish (Astacidae, Cambaridae, and Parastacidae—Decapoda) in freshwater

Hydrobiologia, 2007
The freshwater crayfishes are distributed across all but the Indian and Antarctic continents with centers of diversity in the southeastern Appalachian Mountains in the Northern Hemisphere and in south-east Australia in the Southern Hemisphere. There are currently over 640 described species of freshwater crayfishes with an average of 5–10 species still ...
Keith A. Crandall, Jennifer E. Buhay
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The setae of Austropotamobius pallipes (Crustacea: Astacidae)

Journal of Zoology, 1970
The author presents here the results of an introductory study into the setal armature of the British species of crayfish, Austropotamobius pallipes (Lereboullet, 1858). Using an ordinary optical microscope, it is demonstrated that a considerable variety of setae exist on the body and appendages of A. pallipes.
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Ein Beitrag Zur Systematik Der Astacidae (Decapoda)

Crustaceana, 1962
[Une etude taxonomique des ecrevisses (Astacidae) europeennes, plus particulierement de ses representants balkaniqwes, est presentee, basee sur l'examen de plus de 300 exemplaires de diverses localites. Les genres et sous-genres sont discutes et les especes, sous-especes et categories systematiques au dessous du niveau subspecifique sont mises en cle ...
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A New Troglobitic Crayfish From Oklahoma Decapoda Astacidae

1972
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Hobbs, Horton H. (Horton Holcombe), Cooper, Michael R.,   +1 more
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Two New Troglobitic Crayfishes (Decapoda, Astacidae) from Florida

1972
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Hobbs, Horton H. (Horton Holcombe), Means, D B   +1 more
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