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

Semiometra courvillensis

Crinoidea - Comatulida - Notocrinidae

Taxonomy
Antedon courvillensis was named by Valette (1917).

It was recombined as Semiometra courvillensis by Rasmussen (1961).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1917Antedon courvillensis Valette
1961Semiometra courvillensis Rasmussen p. 308 figs. Pl 44, fig 2

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
RankNameAuthor
Cladida(Moore and Laudon 1943)
Eucladida
infraorderArticulata(Miller 1821)
orderComatulidaClark 1908
suborderComatulidinaClark 1908
superfamilyNotocrinoidea(Mortensen 1918)
familyNotocrinidaeMortensen 1918
genusSemiometraGislén 1924
speciescourvillensis(Valette 1917)

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.

Semiometra courvillensis Valette 1917
show all | hide all
Diagnosis
No diagnoses are available