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Acutiramus cummingsi

Eurypterida - Pterygotidae

Taxonomy
Pterygotus cummingsi was named by Grote and Pitt (1875). It is not extant. It is the type species of Acutiramus.

It was recombined as Acutiramus cummingsi by Dunlop et al. (2020), Lamsdell (2025).

Synonyms
Synonymy list
YearName and author
1875Pterygotus cummingsi Grote and Pitt
1881Pterygotus buffaloensis Pohlman
1882Pterygotus acuticaudatus Pohlman
1882Pterygotus quadraticaudatus Pohlman
2020Acutiramus cummingsi Dunlop et al. p. 26
2025Acutiramus cummingsi Lamsdell

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
Deuteropoda
RankNameAuthor
subphylumChelicerataHeymons 1901
orderEurypteridaHuxley 1857
suborderEurypterinaNovojilov 1962
infraorderDiploperculata
superfamilyPterygotoideaClarke and Ruedemann 1912
familyPterygotidaeClarke and Ruedemann 1912
genusAcutiramusRuedemann 1935
speciescummingsi(Grote and Pitt 1875)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Acutiramus cummingsi Grote and Pitt 1875
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Invalid names: Pterygotus acuticaudatus Pohlman 1882 [synonym], Pterygotus buffaloensis Pohlman 1881 [synonym], Pterygotus quadraticaudatus Pohlman 1882 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Vision: well-developedo
Created: 2004-09-24 08:12:58
Modified: 2010-02-05 01:21:51
Source: o = order
Reference: Aberhan et al. 2004

Age range: Pridoli or 422.70000 to 419.62000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Pridoli422.7 - 419.62USA (New York) Pterygotus cummingsi (491)