Gatunek typowy

Opis

Type species: Mathilda (Tricarilda) plana Gründel, 1973; Callovian, NW Poland.
Diagnosis: Similar to Jurilda but the teleoconch with three primary spiral ribs; the middle one is strongest, and can be keel−like; additional secondary spiral ribs may be lacking or numerous; micrornament of spiral striae either absent or weak.

Synonimy

Zasięg czasowy

Early Jurassic (Sinemurian) to Early Cretaceous.

Literatura

Gründel, J. 1973. Zur Gastropodenfauna aus dem Dogger. I. Die Gattungen Mathilda und Eucycloidea. Zeitschrift für geologische Wissenschaften, 1, 947–965.