Family PRUNOPYLIDAE Poche, 1913

Prunopylidae Poche, 1913: 207-209 .

Prunopyle [sic] – Tochilina 1985: 96 (= Prunopylidae).

TYPE GENUS. — Prunopyle Dreyer, 1889: 18 [type species by subsequent designation (Campbell 1954: D72): Prunopyle pyriformis Dreyer, 1889: 18].

INCLUDED GENERA. — Prunopyle Dreyer, 1889: 18 . — Spongopylidium Dreyer, 1889: 46.

NOMINA DUBIA. — Ovulopyle, Spirotunica.

DIAGNOSIS. — One robust, thick-walled oval to oblong shell with a large opening. Internal structure invisible or ambiguous with a thick-walled shell.Taxa without internal structure are also included.

STRATIGRAPHIC OCCURRENCE. — Late Eocene-Living.

REMARKS

This family is an artificial group for the members that are defined above. Anatomical study should be carried out for the taxa of this group by sectioned specimens. The position of this family into the superfamily is also tentative.