Diagnoza

The sp elements with a small external lobe of the posterior process, ne elements well denticulated, with a low cusp.

Porównanie

A few specimens found in samples MA-74 and MA-76, although incomplete, well fit characters of the species despite their evidently younger age than the type population. They occur for above the first appearance of A. tvaerensis, the supposed success or of the Welsh A. inaequalis . The interpretation of this stratigraphic discrepancy that appeal s most to me is an allopatric evolution of the Rhodesognathus and Amorphognathus lineages during Llandeilo and Early Caradoc.

Autekologia

Występowanie geograficzne

Zasięg czasowy

Typical populations of the species are confined to the Llandeilo of Wales and
Armorica. The Mójcza specimens occur 0.4-0.5 m above the bentonite (B. variabilis Subzone).

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.