In 1986, a group of scientists from Australia and New Zealand described, in the one of the highest profile scientific journals, the existence of a new class of organisms. During examination of ...

Nicholsodiscus anticostiensis new genus and species (Mill Bay Member, Vauréal Formation, Rawtheyan, Upper Ordovician) is described from Anticosti Island, Quebec, Canada. Nicholsodiscus anticostiensis ...

COCKBAIN 1 has suggested an extension of the suture-line theory 2 of the origin and significance of pentamerism in the phylum Echinodermata, which depends primarily on the fact that all modern ...

Echinoderms are represented by five living classes. The crinoids are considered to be most similar to ancestral echinoderms. Although the fossil record is inconclusive, it appears that the Class ...

To determine whether increased water motion affects patterns of regeneration in the subtidal burrowing brittlestar Hemipholis elongata (phylum Echinodermata), individuals were subjected to ...

A new high-definition genome sequence of the sea cucumber provides molecular insights into its ability to regenerate. A new high-definition genome sequence of the sea cucumber provides molecular ...