Costazygia sp
Sugerowana cytacja: Gryz, P. 2020. Costazygia sp Kaim 2004. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Costazygia+sp)
 Specimen ZPAL Ga.9/195 from the Late Valanginian (Early Cretaceous) of Wąwał in lateral and apical view. Diagnoza Porównanie The shells differ from shells of similar Costazygia bilzi Gründel, 1999 in having spiral and axial ornamentation of the same dimension. Because of fragmentary preservation described in open nomenclature. Autekologia Występowanie geograficzne Wąwał near Tomaszów Mazowiecki, Poland. Zasięg czasowy Saynoceras verrucosum Zone of Late Valanginian (Early Cretaceous). Materiały muzealne Five juvenile shells Literatura Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183. |
|