Diagnoza

Porównanie

Small dorsal valve differs from Orbiculoidea sp. 1 in its nearly flat (and not markedly convex) dorsal valve and in the lower density of growth lines.

Autekologia

Występowanie geograficzne

only in Grzegorzowice- Skały section (Skały beds), Poland.

Zasięg czasowy

Mid Devonian; Late Eifelian- Mid Givetian.

Materiały muzealne

Only incomplete dorsal valve (ZPAL Bp. 48/35/2/1).

Literatura

Halamski, A.T. 2009. Middle Devonian Brachiopods from the northern Part of the Holy Cross Mountains, Poland in relation to selected coeval faunas. Part One: Introduction, Lingulida, Craniida, Strophomenida, Productida, Protorthida, Orthida. Palaeontographica Abteilung A, 287: 41-98.