Myriacantherpestes

Myriacantherpestes; Temporal range: Late Carboniferous PreꞒ Ꞓ O S D C P T J K Pg N
	Two illustrations of M. ferox fossils
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Diplopoda
Superorder:	†Archipolypoda
Order:	†Euphoberiida
Family:	†Euphoberiidae
Genus:	†Myriacantherpestes; Burke, 1979
Type species
	Acantherpestes ferox; Salter 1863
Species
	M. bradebirksi Burke 1979; M. clarkorum (Burke 1973) ; M. excrescens (Janssen 1940); M. ferox (Salter 1863) ; M. hystricosus (Scudder 1890); M. inequalis (Scudder 1890)

Myriacantherpestes is an extinct genus of spiny millipedes from the Pennsylvanian subperiod of the Carboniferous period, known from fossils in Europe and North America.

Description

Like other Euphoberiids, Myriacantherpestes had prominent dorsal and lateral spines. Myriacantherpestes differs from other members of Euphoberiidae in part by having much longer lateral spines.[1]

Taxonomic history

Several species currently assigned to Myriacantherpestes were formerly in the genera Acantherpestes and Euphoberia.[1] The species M. excrescens was originally described as a fossilized cycad seed.[2]

gollark: If humans are acting rationally at achieving some sort of hidden goalset, you have to ask what that actually is.

gollark: But it's not toward actual stated goals.

gollark: You can only really say something is "rational" as a way to achieve some goals, not just objectively "rational" on its own. So arguably humans are somewhat rationally maximizing short-term happiness. *But*, isn't happiness at least partly just a heuristic for decision-making *too*?

gollark: This can probably just be read as "strong time preference" again, I guess, *partly*.

gollark: https://xkcd.com/2278/

References

Burke, J.J. (1979). "A new millipede genus, Myriacantherpestes (Diplopoda, Archipolypoda), and Myriacantherpestes bradebirksi, new species, from the English UK Coal Measures". Kirtlandia. 30: 1–24.
Lemay, Stephen; Hannibal, Joseph T. (2002). "Trigonocarpus excrescens Janssen, 1940, a supposed seed from the Pennsylvanian of Illinois, is a milliped (Diplopoda: Euphoberiidae)". Kirtlandia. 53: 37–40.

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[Burke1979-1] Burke, J.J. (1979). "A new millipede genus, Myriacantherpestes (Diplopoda, Archipolypoda), and Myriacantherpestes bradebirksi, new species, from the English UK Coal Measures". Kirtlandia. 30: 1–24.

[2] Lemay, Stephen; Hannibal, Joseph T. (2002). "Trigonocarpus excrescens Janssen, 1940, a supposed seed from the Pennsylvanian of Illinois, is a milliped (Diplopoda: Euphoberiidae)". Kirtlandia. 53: 37–40.