Holaster simplex

UNB-2019-0464Fossils » Eukaryote » Animalia » Echinodermata » Echinozoa » Echinoidea » Euechinoidea

Description

Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Subclass: Euechinoidea Order: Holasteroida Family: Holasteridae Genus: Holaster (Agassiz, 1836) Species: Holaster simplex (Shumard, 1853) Large heart-shape specimen with faint anterior groove and faint ambulacra. Periproct is slightly visible on the posterior end and is slightly infilled with sediment.

Specifications

Object nameHolaster simplex
IDUNB-2019-0464
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Echinodermata
Subphylum:
Echinozoa
Class:
Echinoidea
Subclass:
Euechinoidea
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Mesozoic
Period:
Cretaceous
Subperiod:
Comanchean
Numeric age127 Mya
OriginNear Kingston, Oklahoma, U.S.A.
Pieces1
PartialNo
Measurements
  • 4.6cm x 4.2cm x 2.6cm

Map of Origin