Catalog entries: Pterocorythidae
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Published descriptions
Dumitrica, in De Wever et al. 2001 -
Type genus: Pterocorys Haeckel 1881
Definition: Di- or tricyrtid nassellarians with an elongated cephalis divided into one
larger unpaired lobe and two smaller lateral paired lobes separated by two obliquely
downwardly directed arches AL.
Remarks: The family originates from a small three-segmented Late Palaeocene theoperid
by the appearance of an apical bar giving off a pair of mitral arches that extend laterally
from the apical spine.
Range: Early Eocene to Recent.
Lazarus et al. 2021 -
Two or three segmented nassellarians with an elongated cephalis which has two lateral
lobes at the base, internally marked by arches from the apical spine. Cephalis usually with a single
vertical bladed horn.
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Paleogene Period (23.03-66.04Ma, base in Danian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
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Pterocorythidae compiled by the radiolaria@mikrotax project team viewed: 8-10-2026
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