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Isorophus

Edrioasteroidea - Isorophidae

Taxonomy
Isorophus was named by Foerste (1916) [Sepkoski's age data: O Cara-l S Ludl-l Sepkoski's reference number: 318,319]. It is not extant. It is the type genus of Isorophidae.

It was assigned to Agelacrinitidae by Regnéll (1966); to Isorophida by Sepkoski (2002); and to Isorophidae by Sumrall and Zamora (2011).

Species
I. africanus, I. austini
Species lacking formal opinion data
I. cincinnatiensis, I. holbrooki, I. warrenensis

Synonymy list
YearName and author
1916Isorophus Foerste
1966Isorophus Regnéll
2002Isorophus Sepkoski
2011Isorophus Sumrall and Zamora p. 441

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
suborderIsorophinaBell 1976
familyIsorophidaeBell 1976
genusIsorophusFoerste 1916

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. †Isorophus Foerste 1916
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†Isorophus africanus Sumrall and Zamora 2011
†Isorophus austini Foerste 1914
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryg
Attached: yesg
Epibiont: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-02-27 13:44:34
Modified: 2009-02-27 15:44:34
Source: g = genus, c = class, p = phylum
References: Aberhan 1992, Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Dobrotivian to the top of the Richmondian or 461.00000 to 445.50000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Dobrotivian461.0 - 459.7Morocco (Anti Atlas) I. africanus (194010)
Shermanian457.3 - 449.6USA (Kentucky) I. cincinnatiensis (77151)
Maysvillian450.2 - 449.6USA (Ohio) I. sp. (388)
Maysvillian - Ashgill450.2 - 443.1USA (Ohio) I. sp. (389 390)
Richmondian449.6 - 445.5USA (Ohio) I. holbrooki, I. warrenensis (5326) I. sp. (372 395)
Richmondian449.6 - 445.5USA (Kentucky) I. austini (207421)
Richmondian449.6 - 445.5USA (Illinois) I. sp. (382 26684)
Richmondian - Ashgill449.6 - 443.1USA (Ohio) I. sp. (392 394)