Diagnoza

Somewhat tabulate venter of evolute conch with umbo reaching more than one third of the conch diameter.

Porównanie

The suture in the only available specimen is incomplete, but pointed tip of the flank lobe indicates that this is a species of Pseudoclymenia. Its flattened venter suggests species identity with the material of Bogoslovsky (1971; but not Petersen 1975). The originals of Drevermann (1901, pl. 14: 4a, b) are internal moulds and the venter of the specimen illustrated by him is rounded. The relatively narrow umbo (11.5 mm at the conch diameter 30 mm) fits the specimen from Łagów. Larval (or embryonic) and early postlarval phosphatized conchs from the same sample (Ł-38) may also represent this species. Gomi-monomeroceras (Tornoceras) evolutum of Sobolew (1914) from Sieklucki’s brickpit may also represent this or a less derived species of the genus, assuming that the minute original is a juvenile with the suture somewhat worn out.

Autekologia

Występowanie geograficzne

Łagów-Dule; possibly also reworked at Sieklucki’s brickpit in Kielce.

Zasięg czasowy

C. marginifera Zone (sample Ł-38).

Materiały muzealne

ZPAL: One specimen.

Literatura

Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359.