''Blomosuchus'' is an extinct
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
archosauriform
Archosauriformes (Greek for 'ruling lizards', and Latin for 'form') is a clade of diapsid reptiles encompassing archosaurs and some of their close relatives. It was defined by Jacques Gauthier (1994) as the clade stemming from the last common anc ...
from the
Early Triassic
The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.9 Ma and Ma (million years ago). Rocks from this epoch are collectively known as the Lower Triassic Series, which ...
of
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
. The
type species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...
was named in 1992 as ''Blomia georgii''.
However, the name ''Blomia'' was preoccupied by a genus of
mite
Mites are small arachnids (eight-legged arthropods) of two large orders, the Acariformes and the Parasitiformes, which were historically grouped together in the subclass Acari. However, most recent genetic analyses do not recover the two as eac ...
s in the family
Glycyphagidae (''
Blomia''), so the genus was renamed ''Blomosuchus'' in 1997. Fossils of ''Blomosuchus'' have been found along the
Vetluga River
The Vetluga (, ; ) is a river that flows through Kirov Oblast, Kostroma Oblast, Mari El and Nizhny Novgorod Oblast in Russia. It is a left tributary of the Volga. besides fossils of another problematic archosauriform, ''
Vonhuenia
''Vonhuenia'' (named after Friedrich von Huene) is an extinct genus of proterosuchid, a basal archosauriform from the Early Triassic of Russia. Fossils have been found in the Vokhminskaya Formation, along the Vetluga River that are Induan in ...
'' (both were named in a 1992 study of Triassic fossils from Russia).
The holotype material of ''Blomosuchus'' is based on a partially preserved braincase, and upon further examination, it was determined that these bones could not be used to diagnose the species.
It is currently considered to be a nomen dubium.
References
Archosauriformes
Prehistoric reptile genera
Early Triassic reptiles of Europe
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