Palaeocopida

Classification
Phylum: Arthropoda
Class: Ostracoda
Order: Palaeocopida (Henningsmoen, 1953)
Cincinnatian Family: Drepanellidae

Geologic Range
Early Ordovician – Cretaceous

Common Paleoecology
Palaeocopida is an extinct order of epifaunal suspension feeders.

Characteristics of the Order

  • Dorsal margin long and straight.
  • Smooth or ornamented surface.
  • Lobes, sulci, ventral and adventral structures are quite common.
  • Soft parts unknown.
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Treatise on Invertebrate Paleontology, Part Q, Arthropoda 3 (1961):

  • Dorsal margin long and straight; surface smooth to ornamented; lobes, sulci, ventral and adventral structures common; calcareous inner lamella absent; dimorphic or non-dimorphic; soft parts unknown.

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Drepanellidae