STUDIES ON MARINE BRYOZOA. X. HIPPADENELLA CARSONAE, N. SP
Open Access
- 1 February 1957
- journal article
- research article
- Published by University of Chicago Press in The Biological Bulletin
- Vol. 112 (1) , 120-131
- https://doi.org/10.2307/1538884
Abstract
The morphology of Hippadenella carsonae, Order Cheilostomata, Sub-Order Ascophora, Family Hippoporinidae, from the Antarctic, is described in detail. H. carsonae was collected out of breeding season, on Jan. 29, and embryos were absent. Most of the colonies were old and polypideless except at the tips, where polypides still remain in some. The sp. has unusually well developed avicularial organs, which are large avicularial glands, reduced polypide, adductor and abductor muscles. So-called "oral" glands of unknown function are present. Other peculiarities of this sp. are the oblique frontal tubular pores and the mode of secondary calcification where trabeculae span the orifice and a domed lamina seals the ovicell. The sp. was collected on the U.S. Navy''s 1947-48 Antarctic Expedition, off Cape Royds, Ross Island, Ross Sea Area, at 58 fms.This publication has 0 references indexed in Scilit: