The European Blackbuck

Horn cores of Gazellospira torticornis hispanica, from here. From one –spira genus to another, somewhat different one. Gazellospira is a genus of spiral-horned gazelles known from the Pliocene and early Pleistocene of Europe and northern Asia (the reference to Miocene on the Wikipedia page for this genus looks like it might be an error). Most… Continue reading The European Blackbuck

Hyopsodontids: Little Slinkers of the Palaeogene

The oft-repeated quote about mammalian palaeontology is that it tends to be focused on “the tooth, the whole tooth, and nothing but the tooth”. This is primarily the result of pragmatic constraints: because they are much harder than the other bones of the mammalian skeleton, teeth are much more likely to be preserved in the… Continue reading Hyopsodontids: Little Slinkers of the Palaeogene


Belongs within: Hystricognathi.Contains: Cavioidea, Erethizontidae, Octodontoidea, Chinchillidae. The Caviomorpha are a clade uniting the Neotropical hystricomorph rodents, supported by molecular analysis (e.g. Meredith et al. 2011). They are mostly restricted to South America and the Caribbean islands, with only a single species, the porcupine Erethizon dorsatum, found in North America. Molecular data support a division… Continue reading Caviomorpha


Belongs within: Mustelinae. Martes, the martens, is a group of semiarboreal mustelids found in Eurasia and North America. Members of the genus have moderately elongate bodies, wedge-shaped faces with relatively large rounded ears, and bushy tails. Martes Pinel 1792SM93 |–M. pennanti (Erxleben 1777)FS15, B75 [=Mustela pennantiB75] `–+–Gulo guloFS15 | |–G. g. guloB75 | `–G. g.… Continue reading Martes