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

Perimestocrinus excavatus

Crinoidea - Dendrocrinida - Pirasocrinidae

Taxonomy
Delocrinus excavatus was named by Weller (1909). Its type specimen is Walker Mus 13366, a calyx, and it is a 3D body fossil. Its type locality is Cibolo Creek, east bluff 0.5 miles below Cibolo Ranch, breccia zone, which is in a Kungurian carbonate limestone in the Cibolo Formation of Texas.

It was recombined as Perimestocrinus excavatus by Webster (2006).

Sister species lacking formal opinion data
P. moseleyi

Synonymy list
YearName and author
1909Delocrinus excavatus Weller p. 628 figs. Pl 1, figs 16,17
2006Perimestocrinus excavatus Webster

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
RankNameAuthor
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
—Eucladida
superorderCyathoformes
orderDendrocrinida
superfamilyPirasocrinoidea(Moore and Laudon 1943)
familyPirasocrinidaeMoore and Laudon 1943
genusPerimestocrinusMoore and Plummer 1937
speciesexcavatus()

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.

show all | hide all
Diagnosis
No diagnoses are available