Descriptions and revised key to the eggcases of the skates (Rajiformes: Rajidae) and catsharks (Carcharhiniformes: Scyliorhinidae) of the British Isles

Updated descriptions and measurements for the eggcases of 10 rajiform and three scyliorhinid species occurring in the shelf seas around the British Isles are given, based on museum material, specimens collected during the ‘Great Eggcase Hunt’ (a Shark Trust recording project), and specimens obtained...

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Bibliographic Details
Published in:Zootaxa
Main Authors: GORDON, CAT A., HOOD, ALI R., ELLIS, JIM R.
Format: Article in Journal/Newspaper
Language:English
Published: Mangolia Press 2016
Subjects:
Pisces
Chondrichthyes
oviparous
Northeast Atlantic
egg capsule
Canicula
Dipturus batis
Online Access:https://www.mapress.com/zt/article/view/zootaxa.4150.3.2
Description
Summary:Updated descriptions and measurements for the eggcases of 10 rajiform and three scyliorhinid species occurring in the shelf seas around the British Isles are given, based on museum material, specimens collected during the ‘Great Eggcase Hunt’ (a Shark Trust recording project), and specimens obtained from fishery surveys. Quantitative data are given for Amblyraja radiata (n = 94), Dipturus batis (n = 24), D. cf. intermedia (n = 33), Leucoraja naevus (n = 94), Raja brachyura (n = 53), R. clavata (n = 52), R. microocellata (n = 57), R. montagui (n = 52), R. undulata (n = 52), Rostroraja alba (n = 5), Galeus melastomus (n = 7), Scyliorhinus canicula (n = 52) and S. stellaris (n = 58). An updated key for the identification of elasmobranch eggcases is provided, incorporating recent changes in skate taxonomy.

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