Photos tagged 'naturalis'

A fossil of a prehistoric, fish-eating, crocodile-like, aquatic reptile at...

Fri, 22 Jun 2007 14:08:00 GMT

A fossil of a prehistoric, fish-eating, crocodile-like, aquatic reptile at the natural history museum in Leiden.

It's a Mesosaurus that lived during the early Permian period, roughly 320 to 280 million years ago.

Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Subclass: Anapsida
Order: Mesosauria
Family: Mesosauridae
Genus: Mesosaurus

Fri, 22 Jun 2007 14:06:00 GMT

A fossilized jellyfish at the natural history museum in Leiden.

species: Spatangopsis costata

Fri, 22 Jun 2007 14:05:00 GMT

Shells of an unknown species of mollusc covered with an unknown species of barnacles.

Fri, 22 Jun 2007 01:08:00 GMT

An impression of part of the preserved plant collection at the natural history museum "Naturalis" in Leiden, the Netherlands.

Fri, 22 Jun 2007 01:07:00 GMT

An impression of part of the preserved plant collection at the natural history museum "Naturalis" in Leiden, the Netherlands.

Fri, 22 Jun 2007 01:05:00 GMT

An impression of part of the preserved plant collection at the natural history museum "Naturalis" in Leiden, the Netherlands.

Fri, 22 Jun 2007 01:03:00 GMT

Dinosaur skeleton at the natural history museum "Naturalis" in Leiden, the Netherlands. I forgot to check te exact species...