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Isorophina

Edrioasteroidea

Taxonomy
Isorophina was named by Bell (1976).

It was assigned to Isorophida by Sumrall (1996); and to Edrioasteroidea by Sumrall and Zamora (2011).

Subtaxa

Synonymy list
YearName and author
1976Isorophina Bell p. 440
1996Isorophina Sumrall p. 974
2011Isorophina Sumrall and Zamora p. 441

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
suborderIsorophinaBell 1976
suborderIsorophinaBell 1976

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.

Subor. †Isorophina Bell 1976
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Fm. †Isorophidae Bell 1976
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G. †Euryeschatia Sumrall and Zamora 2011
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Euryeschatia reboulorum Sumrall and Zamora 2011
G. †Isorophus Foerste 1916
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Isorophus africanus Sumrall and Zamora 2011
Isorophus austini Foerste 1914
G. †Isorophusella Bassler 1935
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Isorophusella gutii Sumrall and Zamora 2011
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: high Mg calcitep
Ontogeny: accretion, addition of partsp
Environment: marinep
Locomotion: stationaryc
Attached: yesc
Epibiont: yesc
Life habit: low-level epifaunalc
Diet: suspension feederc
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2004-02-29 10:42:45
Modified: 2010-02-16 01:51:32
Source: c = class, p = phylum
References: Aberhan et al. 2004, Aberhan 1992

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

Collections (18 total)


Time interval Ma Country or state Original ID and collection number
Dobrotivian461.0 - 459.7Morocco (Anti Atlas) Isorophus africanus (194010)
Caradoc458.2 - 449.5Canada (Ontario) Isorophusella sp. (336)
Shermanian457.3 - 449.6USA (Kentucky) Isorophus cincinnatiensis (77151)
Chatfieldian453.8 - 451.0Canada (Ontario) Isorophusella inconditia (26270)
Maysvillian450.2 - 449.6USA (Ohio) Isorophus sp. (388)
Maysvillian - Ashgill450.2 - 443.1USA (Ohio) Isorophus sp. (389 390)
Richmondian449.6 - 445.5USA (Kentucky) Isorophus austini (207421)
Richmondian449.6 - 445.5USA (Illinois) Isorophus sp. (382 26684)
Richmondian449.6 - 445.5USA (Ohio) Isorophus holbrooki, Isorophus warrenensis (5326) Isorophus sp. (372 395)
Richmondian - Ashgill449.6 - 443.1USA (Ohio) Isorophus sp. (392 394)
Ashgill449.5 - 443.1Morocco (Anti Atlas) Euryeschatia reboulorum (194013)
Ashgill449.5 - 443.1Morocco Euryeschatia reboulorum (194012) Isorophusella gutii (194017)