Catalogue of Organisms

Articulated calyx of Erisocrinus typus , copyright Richard Paselk . The close of the Permian period saw the largest mass extinction ever ...

Crabs are, of course, one of the most instantly recognisable groups of crustaceans. We all know what they look like, and we all know where c...

Dorsal, ventral and lateral views of Eoctenes spasmae , from Marshall (1982). If you ever feel inclined to scan through host records for ...

Culture of Pichia membranifaciens , from Tomas Linder . In my previous post , I alluded to the revolutionary effect that DNA analysis had...

Two budding individuals of Caulobacter crescentus , from the US Dept of Energy . From about the 1980s onwards, the increasing application...

The Congo River catfish Chrysichthys brevibarbis , copyright John P. Sullivan . With their long barbels around the mouth and lack of scal...

Amphiascus sp., copyright Alexandra . The animal shown in the image above is a member of Amphiascus , a cosmopolitan genus of about thir...