Who came first – sponges or comb jellies? A new study reaffirms that sponges are the oldest animal phylum – and restores the classical view of early animal evolution, which recent molecular analyses ...

The Loricifera is a microscopic, sediment-dwelling marine invertebrate, with a head covered in over 200 spines and an abdomen with a protective shell - known as a lorica. Since it was first discovered ...

Nearly 30 years ago, a research vessel off the southeast coast of Australia dragged up samples of the sea floor from depths of 400m and 1000m. Hidden away within the samples were a few unexpected gems ...

We preselected all newsletters you had before unsubscribing.

A phylogenetic analysis of representative genera in the class Sporozoea was undertaken using biological and morphological features to infer evolutionary relationships among the widely recognized ...