Holaster sp.

UNB-2019-0463Fossils » Eukaryote » Animalia » Echinodermata » Echinozoa » Echinoidea » Euechinoidea

Description

Kingdom: Animalia Phylum: Echinodermata Class: Echinoidea Subclass: Euechinoidea Order: Holasteroida Family: Holasteridae Genus: Holaster (Agassiz, 1836) Large heart-shaped specimen with faint anterior groove and ambulacra. Ambulacral pores are visible.

Specifications

Object nameHolaster sp.
IDUNB-2019-0463
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
OriginGrayson County, Texas, U.S.A.
Pieces1
PartialNo
Measurements
  • 5.7cm x 4.8cm x 3cm

Map of Origin