PBDB Taxon

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

Isocrinus propinquus

Crinoidea - Isocrinida - Isocrinidae

Taxonomy

Pentacrinus propinquus was named by Münster (1834). It is a 3D body fossil. Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.

It was recombined as Isocrinus propinquus by Nützel and Kaim (2014).

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 braunii was named by Münster (1841). It is a 3D body fossil. Its type locality is St. Cassian (Munster coll), which is in a Julian carbonate limestone in the Cassian Formation of Italy.

It was synonymized subjectively with Pentacrinus propinquus by Laube (1865).

Synonymy list

Year	Name and author
1834	Pentacrinus propinquus Münster p. 8
1841	Pentacrinus propinquus Münster p. 49 figs. Pl 4, fig 9
1841	Pentacrinus braunii Münster p. 50 figs. Pl 4, fig 8
1865	Pentacrinus propinquus Laube p. 56 figs. Pl 8a, fig 17
1889	Pentacrinus propinquus von Wöhrmann p. 191 figs. Pl 5, fig 8
2014	Isocrinus propinquus Nützel and Kaim p. 426 fig. 11g,h

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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	propinquus	(Münster 1834)

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 propinquus Münster 1834

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Invalid names: Pentacrinus braunii Münster 1841 [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: Aberhan 1992, Kiessling 2004, Donovan 1994

Age range: base of the Longobardian to the top of the Tuvalian or 239.48000 to 227.30000 Ma

Collections (8 total)

Time interval	Ma	Country or state	Original ID and collection number
Longobardian	239.48 - 237.0	Italy (Trentino)	Pentacrinus propinquus (44953)
Julian	237.0 - 233.6	Italy	Pentacrinus propinquus, Pentacrinus braunii (type locality: 137429)
Carnian	237.0 - 227.3	Italy (South Tyrol)	Pentacrinus propinquus (205147 205149)
Carnian	237.0 - 227.3	Germany	Pentacrinus propinquus (206011 206012)
Carnian	237.0 - 227.3	Austria (Tyrol)	Pentacrinus propinquus (202331)
Tuvalian	233.6 - 227.3	Austria (Tyrol)	Pentacrinus propinquus (203207)