Hymedesmia armigera

Hymedesmia armigera
Scientific classification
Kingdom: Animalia
Phylum: Porifera
Class: Demospongiae
Order: Poecilosclerida
Family: Hymedesmiidae
Genus: Hymedesmia
Species:
H. armigera
Binomial name
Hymedesmia armigera

Hymedesmia armigera is a species of demosponge in the family Hymedesmiidae.

Distribution

This species was described from Roundstone Bay, Ireland where it was collected by Rev. A.M Norman[1]. It has not been reported since.

Description

This sponge was entangled in a piece of maerl (Phymatolithon calcareum). It has acanthostyles of variable length, 80-260 μm in length, all entirely spined. The skeleton spicules are fusiform tornotes or straight oxea, 210 μm in length and the chelae are 16-20 μm, with small alae and a long, thin, curved shaft.

References

  1. ^ a b Bowerbank, J.S. & Norman, A.M. (1882). A Monograph of the British Spongiadae. Volume 4 (Supplement). (Ray Society: London): i-xvii, 1-250, pls I-XVII.
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