The Echinoid Directory

Pliophyma Pomel, 1887, p. 247

Distribution Upper Miocene (Helvetian) of Algeria.
Name gender neuter
Type Clypeaster atlas Pomel, 1887, p. 252, by subsequent designation of Lambert, 1912
Classification and/or Status Clypeasteroida; Clypeasterina; Clypeasteridae.

Subjective junior synonym of Clypeaster Lamarck, 1801.
Remarks

Mortensen, T. 1948. A Monograph of the Echinoidea IV.2 Clypeasteroida. C. A. Reitzel, Copenhagen.

Pomel, A. 1867. Paleontologie ou description des animaux fossiles de l'Algerie. Zoophytes: fascicule 2, Echinodermes.  Carte geologique de l'Algerie, Algiers.