Cumming, R. L.; Sebastian, P. (2018). New encrusting species of Lanceoporidae (Bryozoa, Cheilostomata) from the southern Great Barrier Reef, Australia. Zootaxa. 4500(1): 104.

332829

10.11646/zootaxa.4500.1.6 [view]

Cumming, R. L.; Sebastian, P.

2018

4500(1): 104

Publication

Three new species of lanceoporids from the southern Great Barrier Reef are described. Calyptotheca trimandibulata n. sp. is recorded from inter-reefal sites, Stephanotheca bahloo n. sp. is recorded from a coral reef site, and Stephanotheca kutyeri n. sp. is recorded from inter-reefal sites and also Bass Strait and the Great Australian Bight, and is therefore un- usual amongst Australian lanceoporids in occurring in both tropical and temperate locations. The known variation in morphological characters is widened for both genera: C. trimandibulata n. sp. is the only known Calyptotheca species typically having three adventitious avicularia per zooid, S. bahloo n. sp. has the most pronounced orifice dimorphism and the most transversely oval primary orifice for the genus, and S. kutyeri n. sp. is distinguished by long, narrow, slit-like pseudopores in the frontal shield. All three species have occasional dimorphic autozooids, distinguished by larger orifices resembling those of the respective ovicellate zooids, and this is documented for the first time for both genera.

Tropical Australia

Systematics, Taxonomy

Ectoprocta

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