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A new decapod crustacean faunule from the Middle Jurassic of north‐west France
Author(s) -
CRÔNIER CATHERINE,
BOURSICOT PIERREYVES
Publication year - 2009
Publication title -
palaeontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.69
H-Index - 63
eISSN - 1475-4983
pISSN - 0031-0239
DOI - 10.1111/j.1475-4983.2009.00896.x
Subject(s) - crustacean , fauna , benthic zone , genus , biology , paleontology , ecology
Decapod crustacean material collected recently from the lower Callovian (Middle Jurassic) in Maine‐et‐Loire (north‐west France) comprises two new species of prosopid and one new species of tanidromitid crabs, of the genera Nodoprosopon and Tanidromites , respectively. Also represented in this faunule is a probable paguroid anomuran, in the form of isolated chelae here assigned to the genus Orhomalus , as well as appendicular remains of unknown affinity; some of the latter might belong to prosopid crabs. These anomurans and brachyurans co‐occur with a diverse benthic fauna in limestones with abundant iron ooids; their main interest lies in the fact that they add valuable data to the rather poor record of Middle Jurassic decapod crustaceans.