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Porocrinus

Crinoidea - Porocrinida

Taxonomy
Porocrinus was named by Billings (1857) [Sepkoski's age data: O Cara-l O Ashg-m]. It is not extant. Its type is Porocrinus conicus. It is the type genus of Porocrinidae.

It was assigned to Cladida by Sepkoski (2002); and to Porocrinidae by Ubaghs et al. (1978), Ausich (1998), Wright et al. (2019).

Synonymy list
YearName and author
1857Porocrinus Billings
1978Porocrinus Ubaghs et al. p. T589
1998Porocrinus Ausich p. 22
2002Porocrinus Sepkoski
2019Porocrinus Wright et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
RankNameAuthor
classCrinoideaMiller 1821
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
superorderPorocrinoidea
orderPorocrinida
genusPorocrinusBillings 1857

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.

G. †Porocrinus Billings 1857
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†Porocrinus conicus Billings 1857
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitec
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationarysubc
Attached: yessubc
Life habit: intermediate-level epifaunalsubc
Diet: suspension feedersubc
Vision: blindc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-10-09 11:50:31
Modified: 2009-10-09 13:50:31
Source: subc = subclass, c = class, p = phylum
References: Aberhan 1992, Hendy et al. 2009, Kiessling 2004

Age range: base of the Middle Ordovician to the top of the Richmondian or 471.30000 to 445.50000 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Middle Ordovician471.3 - 458.2USA (Oklahoma) P. bromidensis (201757)
Turinian457.3 - 453.8Canada (Quebec) P. conicus (195625)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) P. pentagonius (23431) P. pentagonius, P. smithi (23436 23445 23449)
Blackriveran457.3 - 449.6USA (Tennessee) P. lebanonensis (195670)
Blackriveran457.3 - 449.6USA (Minnesota) P. pentagonius (23399)
Blackriveran457.3 - 449.6USA (illinois) P. pentagonius (195626)
Blackriveran457.3 - 449.6USA (Oklahoma) P. bromidensis (73277 195568) P. sp. (24103)
Blackriveran - Rocklandian457.3 - 449.6USA (Minnesota) P. pentagonius, P. smithi (23400)
Blackriveran - Rocklandian457.3 - 449.6USA (Illinois, Iowa) P. pentagonius (23454)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) P. elegans, P. pentagonius (23460 23465)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) P. pentagonius (23457)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) P. elegans, P. pentagonius (23402) P. pentagonius, P. elegans (23394)
Shermanian457.3 - 449.6USA (Minnesota) P. pentagonius, P. sp. (23404)
Shermanian457.3 - 449.6Canada (Ontario) P. conicus (26272)
Trentonian457.3 - 449.6USA (Missouri) P. petersenae (13157)
Katian452.8 - 445.2USA (Iowa) P. sp. (138446)
Katian452.8 - 445.2Canada (Ontario) P. conicus (180117 192275)
Edenian451.0 - 450.2USA (Minnesota) P. pentagonius, P. sp. (23405)
Edenian451.0 - 450.2USA (Illinois, Iowa) P. pentagonius, P. sp. (23490 23492)
Edenian - Maysvillian451.0 - 449.6USA (Illinois, Iowa) P. fayettensis (23521)
Edenian - Maysvillian451.0 - 449.6USA (Minnesota) P. fayettensis (23409)
Maysvillian450.2 - 449.6USA (Illinois, Iowa) P. fayettensis (23522 23524)
Maysvillian450.2 - 449.6USA (Minnesota) P. fayettensis (23410)
Maysvillian450.2 - 449.6USA (Iowa) P. fayettensis (26683) P. pentagonius (13156)
Richmondian449.6 - 445.5USA (Iowa) P. crassus (13260) P. fayettensis (13200)
Richmondian449.6 - 445.5USA (Illinois, Iowa) P. crassus (23534 23546)
Richmondian449.6 - 445.5Canada (Nunavut) P. shawi (24118)
Rawtheyan448.8 - 445.2United Kingdom (Scotland) P. scoticus (73134)