CYSTOTHALAMIA VANDEGRAAFFI NEW SPECIES AND OTHER SPHINCTOZOAN SPONGES FROM THE UPPER CARBONIFEROUS OF SPAIN Available to Purchase

Novel paleoecology of a postextinction reef: Famennian (Late Devonian) of the Canning basin, northwestern Australia Available to Purchase

Nahoniella, a new name for Yukonella Shi and Waterhouse, 1996 (Spiriferida, Brachiopoda) Free

Coeval development of Silurian stromatolite reefs in Alaska and the Ural Mountains: Implications for paleogeography of the Alexander terrane: Comment and Reply Available to Purchase

Significance of Silurian stromatolite-sphinctozoan reefs: Comment and Reply Available to Purchase

Significance of Silurian stromatolite-sphinctozoan reefs Available to Purchase

A synonymized nomenclature for calcified sponges Free

A new Cambrian sphinctozoan sponge from North America, its relationship to archaeocyaths and the nature of early sphinctozoans Free

Uppermost Permian reefs in Skyros (Greece) and Sichuan (China); implications for the Late Permian extinction event Available to Purchase

Sphinctozoan sponges from the Permian reefs of South China Free

Ordovician sphinctozoan sponges of Alaska and Yukon Territory Free

The sphinctozoan sponge Intrasporeocoelia from the Middle and Late Permian of China; re-examination of its filling structures Free

Triassic sponges (Sphinctozoa) from Hells Canyon, Oregon Free

Further Australian Cambrian sphinctozoans Free

Upper Triassic sponges (Sphinctozoa) from southern Yukon, Stikinia terrane Free

A Silurian sphinctozoan sponge from east-central Cornwallis Island, Canadian Arctic Free

Microstructure du squelette de quelques Sphinctozoaires (Exemples pris dans le Permien du Jbel Tebaga et le Cretace d'Angleterre) Available to Purchase