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Graffhamicrinus

Crinoidea - Catacrinidae

Taxonomy
Graffhamicrinus was named by Strimple (1961) [Sepkoski's age data: C Mosc-l P Asse]. It is not extant. Its type is Graffhamicrinus acutus.

It was assigned to Diphuicrinidae by Pabian and Strimple (1974); to Cladida by Sepkoski (2002); and to Catacrinidae by Webster and Donovan (2015).

Species
G. acutus (type species), G. boellstorffi, G. crassus, G. magnijkus, G. subcoronatus, G. waughi
Species lacking formal opinion data
G. antiquus, G. magnificus, G. profundus

Synonymy list
YearName and author
1961Graffhamicrinus Strimple
1974Graffhamicrinus Pabian and Strimple p. 300
2002Graffhamicrinus Sepkoski
2015Graffhamicrinus Webster and Donovan

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
phylumEchinodermata
subphylumBlastozoa
classCrinoideaMiller 1821
RankNameAuthor
subclassPentacrinoideaJaekel 1918
infraclassInadunata(Wachsmuth and Springer 1897)
—Cladida(Moore and Laudon 1943)
—Eucladida
superorderCyathoformes
superfamilyErisocrinoidea(Wachsmuth and Springer 1886)
familyCatacrinidaeKnapp 1969
genusGraffhamicrinusStrimple 1961

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. †Graffhamicrinus Strimple 1961
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†Graffhamicrinus acutus Strimple 1961
†Graffhamicrinus boellstorffi Pabian and Strimple 1974
†Graffhamicrinus crassus Wanner 1924
†Graffhamicrinus magnijkus Strimple 1947
†Graffhamicrinus subcoronatus Moore and Plummer 1940
†Graffhamicrinus waughi Moore and Strimple 1941
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 18:50:31
Source: subc = subclass, c = class, p = phylum
References: Hendy et al. 2009, Aberhan 1992, Kiessling 2004

Age range: base of the Atokan to the top of the Melekhovian or 318.60000 to 251.90200 Ma

Collections (25 total)


Time interval Ma Country or state Original ID and collection number
Atokan318.6 - 312.8USA (Oklahoma) G. antiquus (90804)
Missourian306.0 - 303.7USA (Oklahoma) G. sp. (72367 72373 72374 72384)
Missourian306.0 - 303.7USA (Nebraska) G. sp. (44411)
Missourian306.0 - 303.7USA (Kansas) G. sp. (72366 72369 72372)
Khamovnikian305.8 - 304.8USA (Nebraska) G. magnijkus (124446)
Gzhelian303.7 - 298.9USA (Nebraska) G. boellstorffi (116098)
Gzhelian303.7 - 298.9USA (Kansas) G. waughi (116099)
Virgilian303.7 - 298.9USA (Kansas) G. magnificus, G. profundus (90809)
Rusavkinian303.7 - 287.6USA (Nebraska) G. magnijkus (124441 124444 124479) G. magnijkus, G. subcoronatus (124407 124433 124445) G. subcoronatus (124434)
Rusavkinian303.7 - 287.6USA (Iowa) G. magnijkus, G. subcoronatus (124436)
Artinskian290.1 - 283.3Indonesia Ceriocrinus crassus (118268)
Pavlovoposadian287.6 - 276.8USA (Nebraska) G. magnijkus (124477)
Melekhovian264.9 - 251.902USA (Nebraska) G. boellstorffi (124478 124480)