New Brachiopods from the Southern Hemisphere and <i>Cryptopora</i> from Oregon (Recent)

Abstract

The Recent brachiopods described herein were collected during dredging operations of several research vessels: the United States R/V <i>Eltanin</i> (alias <i>Islas Orcadas</i> while on loan to Argentina) in Antarctica, in the subantarctic waters of the Atlantic around South Georgia and the South Sandwich Islands, and in the Scotia Sea; R/V <i>Hero</i> dredging in Antarctic waters; R/V <i>Anton Bruun</i> operating along the west coast of South America; the initial cruises of R/V <i>Rafale</i> and <i>Thierry</i> operating in the Gulf of Guinea off the coast of West Africa. Seventeen genera are described, including 19 species and 10 lots not identified as to species; <i>Pelagodiscus atlanticus</i> (King), <i>Discinisca laevis</i> (Sowerby), <i>Discinisca</i> species, <i>Cryptopora hesperis</i>, new species, the first report of this genus in the northern Pacific, <i>Terebratulina kiiensis</i> Dall and Pilsbry, <i>Terebratulina</i> species, <i>Abyssothyris wyvillei</i> (Davidson), <i>A. cf. elongata</i> Cooper, <i>Abyssothyris</i>? species, <i>Liothyrella delsolari</i>, new species, <i>L. expansa</i>, new species, <i>L. fosteri</i>, new species, <i>L. georgiana</i> Foster, <i>L. hendleri</i>, new species, <i>L. notorcadensis</i> (Jackson), <i>L.</i>? <i>vema</i> Cooper, <i>Platidia</i> species, <i>Argyrotheca</i> species, <i>Megathiris</i> species, <i>Pantellaria monstruosa</i> (Scacchi), <i>Macandrevia americana</i> Dall, <i>Macandrevia</i> species, <i>Notorygmia</i> species, <i>Terebratella</i>? species, <i>Syntomaria curiosa</i>, new genus and species, <i>Dyscritosia secreta</i>, new genus and species, <i>Neothyris parva</i>, new species. The loop development of the new genera is described and illustrated in detail. Most of the localities from which the specimens were taken add geographic and bathymetric information new for these genera.