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Difficilicrinus

Crinoidea - Homocrinida - Homocrinidae

Taxonomy
Difficilicrinus was named by Fres et al. (1979) [Sepkoski's age data: O Cara-l Sepkoski's reference number: 251]. It is not extant.

It was assigned to Homocrinidae by Ausich (1998); and to Disparida by Sepkoski (2002).

Synonymy list
YearName and author
1979Difficilicrinus Fres et al.
1998Difficilicrinus Ausich p. 26
2002Difficilicrinus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
superorderDisparida(Moore and Laudon 1943)
orderHomocrinida
familyHomocrinidaeKirk 1914
genusDifficilicrinusFres et al. 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.

Diagnosis
No diagnoses are available