Echinoids (species: Heterocentrotus mammillatus) in taxonomy (Gaia Guide)
Heterocentrotus mammillatus
Echinoids


©Lyle Vail and Anne Hoggett: Heterocentrotus mammillatus at night near Research Station
Kingdom Animalia
Phylum Echinodermata
Class Echinoidea
Order Camarodonta
Family Echinometridae
Genus Heterocentrotus
Species Heterocentrotus mammillatus

Distinguishing features

Commonly known as the slate-pencil urchin, Heterocentrotus mammillatus is unmistakeable. It has a slightly oval test, the longest dimension of which can be 100 mm or more. The spines are thick and solid, rounded to triangular in cross section with flattened tips.

Size

  • Size data has not been obtained.

Depth range

  • Depth range data is not yet available.

Synonyms

Distribution


©Atlas of Living Australia: Australian distribution: Echinoids (Heterocentrotus mammillatus)

Distribution and habitat preferences

This species is not common at Lizard Island and it is not represented from that locality in the Australian Museum collections. Its record is based on rare observations of the species, always at night.

Web resources

References

  • Clark, A.M. and F.W.E. Rowe (1971). Monograph of shallow-water Indo-west Pacific echinoderms British Museum (Natural History), London.