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Kiaeropterus

Eurypterida - Rhenopteridae

Taxonomy
Kiaeropterus was named by Waterston (1979) [Sepkoski's age data: S Ldov S Ludl Sepkoski's reference number: 360]. It is not extant.

It was assigned to Eurypterida by Sepkoski (2002); to Stylonuridae by Tetlie et al. (2007); to Rhenopteridae by Lamsdell et al. (2010), Dunlop et al. (2020); and to Brachyopterellidae by Lamsdell (2025).

Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by A. McGowan on 2017-02-21

Synonymy list
YearName and author
1979Kiaeropterus Waterston
2002Kiaeropterus Sepkoski
2007Kiaeropterus Tetlie et al.
2010Kiaeropterus Lamsdell et al.
2020Kiaeropterus Dunlop et al. p. 17
2025Kiaeropterus Lamsdell

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
Deuteropoda
subphylumChelicerataHeymons 1901
orderEurypteridaHuxley 1857
suborderStylonurinaNovojilov 1962
superfamilyRhenopteroideaStørmer 1951
familyRhenopteridaeStørmer 1951
genusKiaeropterusWaterston 1979

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. †Kiaeropterus Waterston 1979
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Diagnosis
ReferenceDiagnosis
E. O. Tetlie et al. 2007Small eurypterids with subquadrate carapace with broad marginal rim; crescentic eyes large (c. one-third of carapace length) on anterior half of carapace; cardoid raised ocellar area between eyes; appendages V and VI non-spiniferous and simple; individual podomeres with pronounced ridges; mesonoma not wider than carapace; metasoma narrow (emended from Waterson 1979)
J. C. Lamsdell 2025Brachyopterellidae with subquadrate
prosomal carapace; prosomal ventral
plates of Brachyopterella type; lateral eyes crescentic,
longer than a quarter of the carapace
length and positioned centrimesially on carapace;
ocellar area cardioid in shape; prosomal appendages II–III unknown, appendages IV–VI
nonspiniferous unornamented Brachyopterella
type; metastoma unknown; telson unknown
(after Tetlie et al., 2007b)
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: Llandovery or 443.10000 to 432.90000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9USA (Pennsylvania) K. otisius (12765)
Llandovery - Ludlow443.1 - 422.7USA (New York) K. otisius (12764)
Silurian443.1 - 419.62USA (Pennsylvania) K. otisius (12763)