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Slimonia

Eurypterida - Slimoniidae

Taxonomy
Slimonia was named by Page (1856) [Sepkoski's age data: S Ldov-u S Prid Sepkoski's reference number: 360,1066]. It is not extant. It is the type genus of Slimoniidae.

It was assigned to Hughmilleriidae by Størmer (1955); to Eurypterida by Sepkoski (2002); and to Slimoniidae by Dunlop et al. (2013), Dunlop et al. (2020), Lamsdell (2025).

Species
S. acuminata (syn. Himantopterus maximus), S. dubia
Species lacking formal opinion data
S. boliviana, S. stylops

Synonymy list
YearName and author
1856Slimonia Page
1955Slimonia Størmer p. 30
2002Slimonia Sepkoski
2013Slimonia Dunlop et al. p. 24
2020Slimonia Dunlop et al. p. 25
2025Slimonia 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
familySlimoniidaeNovojilov 1962
genusSlimoniaPage 1856

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.

G. †Slimonia Page 1856
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†Slimonia acuminata Salter 1856
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Invalid names: Himantopterus maximus Salter 1856 [synonym]
†Slimonia dubia Laurie 1899
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: base of the Telychian to the top of the Lochkovian or 438.60000 to 413.02000 Ma

Collections (11 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9United Kingdom (Scotland) S. dubia (26885)
Llandovery - Wenlock443.1 - 426.7United Kingdom (Scotland) S. acuminata (26886 26889)
Telychian438.6 - 432.9United Kingdom (South Lanarkshire) S. acuminata (237854)
Telychian438.6 - 432.9United Kingdom (Scotland) S. dubia (153581)
Homerian430.6 - 426.7Bolivia S. boliviana (26984)
Pridoli422.7 - 419.62Czechia S. acuminata (14039) S. sp. (14131)
Pridoli422.7 - 419.62United Kingdom (England) S. stylops (26914)
Pridoli422.7 - 419.62China (Yunnan) S. sp. (226625)
Lochkovian419.62 - 413.02Czechia S. sp. (13895)