''Dibasterium'' is an
extinct genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
euchelicerate, a group of
chelicerate
The subphylum Chelicerata (from New Latin, , ) constitutes one of the major subdivisions of the phylum Arthropoda. It contains the sea spiders, horseshoe crabs, and arachnids (including harvestmen, scorpions, spiders, solifuges, ticks, ...
arthropods
Arthropods (, (gen. ποδός)) are invertebrate animals with an exoskeleton, a segmented body, and paired jointed appendages. Arthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and cuticle made of chitin, oft ...
.
Fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s of the single and
type species
In 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 species that contains the biological type specimen( ...
, ''D. durgae'', have been discovered in the
Coalbrookdale Formation of the Middle
Silurian
The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozoi ...
period (
Homerian age) in
Herefordshire
Herefordshire () is a county in the West Midlands of England, governed by Herefordshire Council. It is bordered by Shropshire to the north, Worcestershire to the east, Gloucestershire to the south-east, and the Welsh counties of Monmouthshire ...
,
England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...
(in the
United Kingdom
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
). The name of the genus is derived from the
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power ...
words ''dibamos'' ("on two legs") and ''
mysterium
Mysterium may refer to:
* ''Mysterium'' (John Zorn album), 2005
* ''Mysterium'' (Manilla Road album), 2013
* ''Mysterium'' (board game), a cooperative board game designed by Oleksandr Nevskiy and Oleg Sidorenko
* ''Mysterium'' (novel), an alte ...
'' ("mystery"), meaning "mystery on two legs" and referring to its
prosoma
The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. (The terms ''prosoma'' and ''opisthosoma'' are equivalent to ''ce ...
l (of the head)
limbs. The
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
name ''durgae'' comes from
Durga
Durga ( sa, दुर्गा, ) is a major Hindu goddess, worshipped as a principal aspect of the mother goddess Mahadevi. She is associated with protection, strength, motherhood, destruction, and wars.
Durga's legend centres around comb ...
, a
Hindu goddess
Devī (; Sanskrit: देवी) is the Sanskrit word for 'goddess'; the masculine form is ''deva''. ''Devi'' and ''deva'' mean 'heavenly, divine, anything of excellence', and are also gender-specific terms for a deity in Hinduism.
The conc ...
with many arms.
References
Euchelicerata
Fossils of England
Silurian arthropods of Europe
Silurian animals
Wenlock first appearances
Homerian extinctions
Fossil taxa described in 2012
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