Catalogue of Organisms

The Cretaceous was a period of significant innovation in the evolution of Foraminifera with a number of distinct new lineages making their a...

I must admit that when I think about the biodiversity hotspots of the world, the eastern seabord of the United States would not be among the...

I've commented before on the difficulties that can be attendent on identifying spider wasps (Pompilidae), one of those groups that combi...

The blister beetles of the family Meloidae have attracted attention for a number of reasons. One is their production of caustic defensive ch...

Harvestmen of the Neotropical family Cosmetidae have been featured on this site a couple of times before. Each time, I've commented on t...

Snakes are, for the most part, fairly retiring animals, little seen even in areas where they may be abundant. In much of North America, howe...

Among the more obscure inhabitants of the world's oceans are the Cephalodiscidae, a family of small (only a few millimetres in length), ...