Diagnoza

Biernatium with rounded postero-lateral and antero-lateral margins; maximum width at midlength of the dorsal valve; shell small to rather small (up to 11.8 mm in width), transverse, strongly ventribiconvex.

Porównanie

Autekologia

Występowanie geograficzne

Sierzawskie Doły area, Poland, and Celechovice na Hane, Moravia.

Zasięg czasowy

Mid Devonian.

Materiały muzealne

Over 100 articulated shells plus one dorsal and one ventral valve, all from outcrop SW-2 (coll. number ZPAL Bp 48/43/1).

Literatura

Biernat, G. 1959. Middle Devonian Orthoidea of the Holy Cross Mountains and their Ontogeny. Palaeont. Pol. 10: 1-78, Pls 1-12; Warszawa.

Gurich, G. 1896. Das Palaeozoicum im polnischen Mittelgebirge.- Verh. Russ.-Kais. Min. Ges. St.-Petersb. (2) 32: 1-539, Plates 1-15, map; St-Petersburg.

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.