The Murrayonida are an order of sea sponges in the subclass Calcinea.

Murrayonida
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Porifera
Class: Calcarea
Subclass: Calcinea
Order: Murrayonida
Vacelet, 1981
Families
  • Lelapiellidae
  • Murrayonidae
  • Paramurrayonidae

Taxonomy

edit

The order consists of four known species, in three families:

Family Murrayonidae Dendy & Row, 1913

Family Lelapiellidae Borojevic, Boury-Esnault & Vacelet, 1990

Family Paramurrayonidae Vacelet, 1967

Description

edit

Murrayonida are distinguished from other Calcinea by having a reinforced skeleton; like another line of Calcinea, the Leucettidae, but unlike most other Calcinea, the Murrayonida sponges also have a cortex covering the cormus and a leuconoid aquiferous system.[2]

References

edit
  1. ^ Kirkpatrick, R. (1910), "On a remarkable pharentronid sponge from Christmas Island", Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character, 83 (562), The Royal Society: 124–133, doi:10.1098/rspb.1910.0070, JSTOR 80366.
  2. ^ Manuel, M. (2006), "Phylogeny and evolution of calcareous sponges", Canadian Journal of Zoology, 84 (2): 225–241, doi:10.1139/Z06-005.