Diagnoza

The sp elements with the outer and inner processes meeting at an angle in the center of the elements, which results in a star-s haped appearance. The oz elements Y-shaped , with a wide platform.

Synonims:

Amorphognathus elongata n. sp.: BERGSTROM, 1962; Eoplacognathus elongatus (BERGSTROM); BERGSTROM, 1971; Eoplacognathus elongatus (BERGSTROM); DZIK, 1976; Eoplacognathus elongatus (BERGSTROM); BARRETTet al ., 1983; Eoplacognathus elongatus (BERGSTROM); BERGSTROM and ORCHARD, 1985.

Porównanie

Autekologia

the Tvaren area, Sweden.

Występowanie geograficzne

Zasięg czasowy

The presumably oldest specimen from Mójcza has been found in sample MA-74,n 0.7 m above the bentonite, but undisputable occurrences are from 1.0 to 1.5 m above the bentonite.

Materiały muzealne

Literatura

Dzik, J. 1994a Conodonts of the Mójcza Limestone. In: J. Dzik, E. Olempska, & A. Pisera. Ordovician carbonate platform of the Holy Cross Mountains. Palaeontologia Polonica 53, 43-128.