Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Sphaerexochus arcuatus

Artiopoda - Phacopida - Cheiruridae

Taxonomy

No taxonomic data are available

Sister species
S. arenosis, S. arenosus, S. atacius, S. brandlyi, S. bridgei, S. britanicus, S. calvus (syn. S. angustifrons, S. mirus, S. latirugatus), S. desertus, S. dimorphus, S. discrepans, S. eurys, S. fibrisulcatus, S. glaber, S. hapsidotus, S. hiratai, S. hisingeri (syn. Calymene clavifrons), S. johnstoni, S. laciniatus, S. latifrons, S. molongloensis, S. parvus, S. planirachis, S. pulcher, S. romingeri, S. scabridus, S. tuberculatus, S. valcourensis
Sister species lacking formal opinion data
S. dimorphis, S. filius, S. lanei, S. lorum

Synonymy list
No taxonomic opinions are available

Please join the Paleobiology Database and enter some data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
classArtiopodaHou and Bergstrom
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845
speciesarcuatus

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: Aurelucian or 458.20000 to 456.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aurelucian458.2 - 456.6United Kingdom (Scotland) Sphaerexochus arcuatus (181539)