PBDB Taxon

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

Isocrinus peyroulensis

Crinoidea - Isocrinida - Isocrinidae

Taxonomy

Pentacrinus peyroulensis was named by Loriol (1904).

It was recombined as Isocrinus peyroulensis 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

Isocrinus demolyi was named by Valette (1928). It is considered to be a form taxon.

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

Synonymy list

Year	Name and author
1904	Pentacrinus peyroulensis Loriol p. 62 figs. Pl 4, fig 21
1928	Isocrinus demolyi Valette p. 130 figs. 1a-c
1961	Isocrinus peyroulensis Rasmussen p. 148 figs. Pl 18, figs 2,3

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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	peyroulensis	(Loriol 1904)

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 peyroulensis Loriol 1904

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Invalid names: Isocrinus demolyi Valette 1928 [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: Donovan 1994, Kiessling 2004, Aberhan 1992

Age range: Early/Lower Hauterivian or 132.60000 to 125.77000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Hauterivian	132.6 - 125.77	France	Isocrinus peyroulensis (59653)