News from the Geoblogosphere
New from Snet:
, a new tool to create lithological/sedimentological logs online..
Blog post recommendation
More scary animals
Scary Animals -
Dinosaurs Sabre-toothed theraspids dating from about 260 million years ago have been found in Western Russia, as reported HERE.
Theraspids are usually described as protomammals and these ones,
, are headlined in the article as being "Monstrous". A suitably scary illustration is provided.
The newly discovered
, a top predator, hunting a tree-dwelling herbivore ( Matt Celeskey )
The article is based on THIS ACADEMIC PAPER which is much less exciting. And the paper concerns the description of
is described in THIS PAPER.
But that is nit-picking. Most theraspids have been found in South Africa and the Russian specimens are valuable in showing what was happening in the Northern Hemisphere.
The End-Permian mass extinction killed off many of the theraspids.
Right marginal dentition of Nochnitsa gemenidens
(A) close-up of holotype, KPM 310, with (B) interpretive drawing. Abbreviations: C, upper canine; I, upper incisor; PC, upper postcanine; pc, lower postcanine; rC, replacement upper canine. Scale bar equals 1 cm. Photograph and drawing by Christian F. Kammerer.