A new crab,Rogueus orrin. gen. and sp. (Decapoda: Brachyura), from the Lookingglass Formation (Ulatisian Stage: lower middle Eocene) of southwestern Oregon-Reference-Cited by-同舟云学术

A new crab,Rogueus orrin. gen. and sp. (Decapoda: Brachyura), from the Lookingglass Formation (Ulatisian Stage: lower middle Eocene) of southwestern Oregon

Published:1989-01 Issue:1 Volume:63 Page:69-73
ISSN:0022-3360
Container-title:Journal of Paleontology
language:en
Short-container-title:J. Paleontol.

Author:

Berglund Ross E.,Feldmann Rodney M.

Abstract

A new genus and species of raninid crab,Rogueus orri, is described from the Tenmile Member of the Lookingglass Formation in southwestern Oregon. Based upon previous studies of foraminiferans, the rock unit has been assigned an early middle Eocene age. Distinct from other raninids with its sinuous fronto-orbital margin, bifid rostrum, and uniquely branched anterolateral teeth,Rogueus orrimay be descended fromNotopocorystes(Cretacoranina) fritschi.

Publisher

Cambridge University Press (CUP)

Subject

Paleontology

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3. Principles d'une classification evolutive des Crustacés Decapodes Brachyoures;Guinot;Bulletin Biologique de la France et de la Belgique,1978

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