PBDB Taxon

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

Isocrinus nodulosus

Crinoidea - Isocrinida - Isocrinidae

Taxonomy

Pentacrinites nodulosus was named by Roemer (1840).

It was recombined as Isocrinus nodulosus by Rasmussen (1961).

Sister species lacking formal opinion data

I. angulatus, I. angustatus, I. apetalus, I. bajocensis, I. candelabrum, I. cenomanicus, I. cretaceous, I. desori, I. fittoni, I. granulosus, I. gravinse, I. rollieri, I. rupellensis, I. sassostriensis, I. stellatus, I. trechmanni, I. tuberculatus, I. tyrolensis, I. undulatus, I. hanaii

Synonyms

Pentacrinus lamberti was named by Valette (1917).

It was synonymized subjectively with Isocrinus nodulosus by Rasmussen (1961).
Isocrinus sanctipaterni was named by Valette (1917).

It was synonymized subjectively with Isocrinus nodulosus by Rasmussen (1961).
Isocrinus affinis was named by Valette (1917).

It was synonymized subjectively with Isocrinus nodulosus by Rasmussen (1961).

Synonymy list

Year	Name and author
1840	Pentacrinites nodulosus Roemer p. 27 figs. pl 6, fig 4
1917	Pentacrinus lamberti Valette pp. 121, 177 fig. 11
1917	Isocrinus sanctipaterni Valette pp. 128, 177 fig. 13
1917	Isocrinus affinis Valette pp. 132, 177 fig. 15
1961	Isocrinus nodulosus Rasmussen p. 145 figs. Pl 20, figs 1,2

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
—	Ambulacraria
phylum	Echinodermata
subphylum	Blastozoa
class	Crinoidea	Miller 1821
subclass	Pentacrinoidea	Jaekel 1918
infraclass	Inadunata	(Wachsmuth and Springer 1897)

Rank	Name	Author
—	Cladida	(Moore and Laudon 1943)
—	Eucladida
subclass	Articulata	(Miller 1821)
order	Isocrinida	Sieverts-Doreck 1952
suborder	Isocrinina	Sieverts-Doreck 1952
family	Isocrinidae	Gislén 1924
subfamily	Isocrininae	Gislen 1924
genus	Isocrinus	von Meyer 1836
species	nodulosus	(Roemer 1840)

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.

†Isocrinus nodulosus Roemer 1840

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Invalid names: Isocrinus affinis Valette 1917 [synonym], Isocrinus sanctipaterni Valette 1917 [synonym], Pentacrinus lamberti Valette 1917 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

high Mg calcitec

Ontogeny:

accretion, addition of partsp

Environment:

marinep

Locomotion:

stationaryf

Attached:

yesf

Life habit:

upper-level epifaunalf

Diet:

suspension feederf

Vision:

blindc

Dispersal:

waterp

Dispersal 2:

planktonicp

Created:

2014-09-12 15:03:18

Modified:

2014-09-12 15:03:18

Source: f = family, c = class, p = phylum

References: Kiessling 2004, Aberhan 1992, Donovan 1994

Collections

No collection or age range data are available