Beorn leggi drawings

Autor/Urheber:

Kenneth W. Cooper

Shortlink:

https://dewiki.de/b/f47f3

Quelle:

Wikimedia Commons

Größe:

986 x 781 Pixel (67451 Bytes)

Beschreibung:

A, B-- Beorn leggi Cooper; C, D. juvenile heterotardigrade (anechiniscoid ?). Compare these camera lucida sketches with the photographs of plate 6. Scale represents 100 microns.

P--"head"; I, II, III, IV--body segments bearing legs; a, p--anterior and posterior halves of segments I, II, etc., each marked off by a dorsal furrow; IVa "pseudosegmental region" of others; s--apical cuticular projection or spine; + 2--"inner" pair of claws, of which 2 is the dorsal element; + 4--"outer" pair of claws, of which 3 is the dorsal element;

claw 2>,3>,4>, see text. Dotted lines represent wrinkles and depressions.

Lizenz:

Public domain

Credit:

(1964). "The First Fossil Tardigrade: Beorn Leggi Cooper, From Cretaceous Amber". Psyche: A Journal of Entomology 71 (2): 41–48. DOI:10.1155/1964/48418.

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