ammonites
Steorrosia Schweitzer et al. 2012

Etyoidea - Etyidae

Full reference: C. E. Schweitzer, R. M. Feldmann, O. D. Frantescu and A. Klompmaker. 2012. Revision of Etyidae Guinot and Tavares, 2001 (Crustacea: Brachyura). Journal of Paleontology 86(1):129-155

Parent taxon: Etyidae according to C. E. Schweitzer et al. 2012

Sister taxa: Etyxanthosia, Guinotosia, Secretanella, Sharnia, Xanthosia

Subtaxa: Steorrosia aspera

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Type: Steorrosia aspera