Recently, evidence has been accumulated which shows that some of the groups formerly regarded as independent "phyla" such as Pogonophora (now recognized as Siboglinidae), Echiura, Myzostomida and...
A detailed investigation of Phosphatocopina Fossils and Strata, Number 49: Morphology, Ontogeny, and Phylogeny of the Phosphatocopina (Crustacea) from the Upper Cambrian Orsten of Sweden presents a...
The author describes the postcrania of the Miocene marsupials Ilaria illumidens and Ngapakaldia tedfordi and compares them with those of other vombatiforms and out-group marsupials. A cladistic...