''Eotrogulus'' 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 ...

harvestmen The Opiliones (formerly Phalangida) are an Order (biology), order of arachnids Common name, colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs. , over 6,650 species of harvestmen have been discovered worldwide, alth ...

known from the Carboniferous

fossil record 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 ...

. The genus is the only member of the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Eotrogulidae and contains one species ''Eotrogulus fayoli''. ''Eotrogulus'' was found in the

Coal Measures In lithostratigraphy, the coal measures are the coal-bearing part of the Upper Carboniferous System. In the United Kingdom, the Coal Measures Group consists of the Upper Coal Measures Formation, the Middle Coal Measures Formation and the Lower Co ...

Commentry Commentry (; Auvergnat: ''Comentriac'') is a commune in the department of Allier in central France. It lies southwest of Moulins in the valley of the Œil. It is within 8 km of one of the geographic centres of France. The film actre ...

in northern

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...

, together with ''

Nemastomoides elaveris ''Nemastomoides'' is an extinct genus of harvestmen known from the Carboniferous fossil record. The genus is the only member of the family Nemastomoididae and contains three described species. ''Nemastomoides elaveris'' was found in the Coal ...

''. ''Eotrogulus'' was previously thought to be a

trigonotarbid The order Trigonotarbida is a group of extinct arachnids whose fossil record extends from the late Silurian to the early Permian (Pridoli to Sakmarian).Dunlop, J. A., Penney, D. & Jekel, D. 2020A summary list of fossil spiders and their relatives ...

.Dunlop, Jason A. (2007): Paleontology. In: Pinto-da-Rocha ''et al.'' 2007: 255

Footnotes

References

* Joel Hallan's Biology Catalog
Eotrogulidae
* Thevenin, A. (1901): Sur la découverte d'arachnides dans le terrain houiller de Commentry. ''Bull Soc Géol. Fr.'' 4(1): 605-611. * Petrunkevitch, A. I. (1955): Arachnida. pp. 42–162 in ''

Treatise on Invertebrate Palaeontology The ''Treatise on Invertebrate Paleontology'' (or ''TIP'') published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and co ...

'', part P. ''Arthropoda 2'' (R. C. Moore, ed.). Geological Society of America & University of Kansas Press, Lawrence. * Pinto-da-Rocha, R., Machado, G. & Giribet, G. (eds.) (2007): Harvestmen - The Biology of Opiliones. ''Harvard University Press'' Harvestmen Carboniferous arachnids Carboniferous arthropods Fossils of France Fossil taxa described in 1901 {{Opiliones-stub