''Proetus'' is a

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 proetid

trilobite Trilobites (; meaning "three-lobed entities") are extinction, extinct marine arthropods that form the class (biology), class Trilobita. One of the earliest groups of arthropods to appear in the fossil record, trilobites were among the most succ ...

found in

Silurian The Silurian ( ) is a geologic period and system spanning 23.5 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 third and shortest period of t ...

-aged marine strata of

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

Storey, Andrew James. Late Silurian trilobite palaeobiology and biodiversity. Diss. University of Birmingham, 2012

/ref> and

Devonian The Devonian ( ) is a period (geology), geologic period and system (stratigraphy), system of the Paleozoic era (geology), era during the Phanerozoic eon (geology), eon, spanning 60.3 million years from the end of the preceding Silurian per ...

-aged strata of

Gondwana Gondwana ( ; ) was a large landmass, sometimes referred to as a supercontinent. The remnants of Gondwana make up around two-thirds of today's continental area, including South America, Africa, Antarctica, Australia (continent), Australia, Zea ...

Etymology

The generic name commemorates

Proetus In Greek mythology, Proetus (; Ancient Greek: Προῖτος ''Proitos'') may refer to the following personages: * Proetus, king of Argos and Tiryns, son of Abas and twin brother of Acrisius. *Proetus, a prince of Corinth as the son of Prince ...

(), a

mythical Myth is a genre of folklore consisting primarily of narratives that play a fundamental role in a society. For scholars, this is very different from the vernacular usage of the term "myth" that refers to a belief that is not true. Instead, the ...

king of

Argos Argos most often refers to: * Argos, Peloponnese, a city in Argolis, Greece * Argus (Greek myth), several characters in Greek mythology * Argos (retailer), a catalogue retailer in the United Kingdom Argos or ARGOS may also refer to: Businesses ...

and

Tiryns Tiryns ( or ; Ancient Greek: Τίρυνς; Modern Greek: Τίρυνθα) is a Mycenaean archaeological site in Argolis in the Peloponnese, and the location from which the mythical hero Heracles was said to have performed his Twelve Labours. It ...

, son of King Abas of Argo.

Taxonomy

''Proetus'' is the

type genus In biological taxonomy, the type genus (''genus typica'') is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearin ...

of the

order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...

Proetida Proetida is an order of trilobite that lived from the Ordovician to the Permian. It was the last surviving order of trilobite, dying out in the Permian-Triassic extinction event. Description These typically small trilobites resemble those of ...

, and of the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Proetidae Proetidae is a family (biology), family of Proetida, proetid trilobites. The first species appeared in the Upper Ordovician, and the last genera survived until the Middle Permian. However, if the closely related family Phillipsiidae is actually a ...

. The genus became a

wastebasket taxon Wastebasket taxon (also called a wastebin taxon, dustbin taxon or catch-all taxon) is a term used by some taxonomists to refer to a taxon that has the purpose of classifying organisms that do not fit anywhere else. They are typically defined by e ...

that held numerous species of similar looking trilobites from the Ordovician to Carboniferous periods. Most of these species have been split off into other genera at various times.

Species

The following list is incomplete: * 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 ...

''P. concinnus'' is found in Wenlock-aged marine strata of Sweden, Great Britain, Estonia, and Germany *''P. latifrons'' is found in

Llandovery Llandovery (; ) is a market town and community (Wales), community in Carmarthenshire, Wales. It lies on the River Tywi and at the junction of the A40 road, A40 and A483 road, A483 roads, about north-east of Carmarthen, north of Swansea and w ...

-aged marine strata of Ireland and Great Britain. *''P. latimargo'' is found in Australian Devonian strata. *''P. sparsinodosus'' is found in Australian Devonian strata. *''P. talenti'' is found in Australian Devonian strata.

References

Proetidae Proetida genera Silurian trilobites of Europe Silurian first appearances Silurian extinctions Fossil taxa described in 1831 {{proetida-stub