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Smotrychaspis

Taxonomy
Smotrychaspis was named by Smith and Selden (2025). It is not extant. Its type is Smotrychaspis kurtopleurae. It was considered monophyletic by Smith and Selden (2025).

It was assigned to Euchelicerata by Smith and Selden (2025).

Species
S. kurtopleurae (type species)

Synonymy list
YearName and author
2025Smotrychaspis Smith and Selden

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
EcdysozoaAguinaldo et al. 1997
Panarthropoda
RankNameAuthor
phylumArthropodaGravenhorst 1843
Deuteropoda
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
genusSmotrychaspis

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. †Smotrychaspis Smith and Selden 2025
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Smotrychaspis kurtopleurae Smith and Selden 2025
Diagnosis
ReferenceDiagnosis
R. D. Smith and P. A. Selden 2025Euchelicerate with 11 visible tergites, lacking anterior median carapace projection. Carapace horseshoe-shaped in dorsal outline; smooth dorsally, lacking cardiac or ocular ridges; with recurved posterior margin; small, acute genal angles; approximately as wide as long; length ∼⅓ of total (exc. telson), ∼2× that of opisthosoma. Opisthosoma with subparallel sides from tergites 1 to 9; increasing gape between progressively more falcate epimera posteriorly. Styliform telson ∼½ length of opisthosoma; stout.
Measurements
No measurements are available
Locomotion: actively mobilep
Created: 2004-02-29 09:38:49
Modified: 2004-02-29 11:38:49
Source: p = phylum
Reference: Kiessling 2004

Age range: base of the Homerian to the top of the Gorstian or 430.60000 to 425.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Homerian - Gorstian430.6 - 425.0Ukraine (Podolia) S. kurtopleurae (type locality: 275760)