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Heteroschisma alternatus

Blastoidea - Fissiculata - Phaenoschismatidae

Taxonomy
Codaster alternatus was named by Lyon (1857).

It was recombined as Heteroschisma alternatum by Macurda (1983); it was recombined as Heteroschisma alternatus by Bauer (2018).

Sister species lacking formal opinion data
H. canadensis

Synonymy list
YearName and author
1857Codaster alternatus Lyon pp. 493 - 495 figs. pl. 5, fig. 3a (not 3 and 3b)
1983Heteroschisma alternatum Macurda pp. 40 - 42 figs. P1. 11, figs. 1-24
2018Heteroschisma alternatus Bauer pp. Appendix 3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
RankNameAuthor
subphylumBlastozoa
classBlastoideaSay 1825
orderFissiculataJaekel 1918
familyPhaenoschismatidaeEtheridge and Carpenter 1886
genusHeteroschismaWachsmuth 1883
speciesalternatus()

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.

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Diagnosis
No diagnoses are available