Asteroid

UNB-2019-0437Fossils » Eukaryote » Animalia » Echinodermata » Asterozoa » Asteroidea

Description

Kingdom: Animalia Phylum: Echinodermata Class: Asteroidea Three specimens; The largest specimen is mostly intact with all five arms preserved with some portions missing. The ventral surface shows the ambulacral grooves of each arm. The mouth, pedicellariae and ambulacral spines are visible. Other specimens are mostly portions of individual arms with one having the ambulacral groove visible with spines and pedicellariae visible as well. Smallest specimen is almost a fully intact specimen with five arms, appears to be a different species from the other specimens. Ventral side has the mouth, ambulacral groove, ambulacral spines and pedicellariae visible.

Specifications

Object nameAsteroid
IDUNB-2019-0437
Legal statusPermanent collection
CategoryFossil
Classification
Domain:
Eukaryote
Kingdom:
Animalia
Phylum:
Echinodermata
Subphylum:
Asterozoa
Class:
Asteroidea
CompositionCalcium carbonate
Age
Eon:
Phanerozoic
Era:
Cenozoic
Period:
Quaternary
Numeric age2.58 Mya
OriginUnknown
Pieces3
PartialNo
Measurements
  • 7.9cm x 3.9cm x 1.3cm
  • 3.9cm x 2.5cm x 1.2cm
  • 8.5cm x 7.6cm x 0.9cm