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Streptaster

Edrioasteroidea - Pyrgocystidae

Taxonomy
Streptaster was named by Hall (1872) [Sepkoski's age data: O Cara-u O Ashg-m Sepkoski's reference number: 318]. It is not extant.

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

Synonymy list
YearName and author
1872Streptaster Hall
1966Streptaster Regnéll
2002Streptaster Sepkoski
2011Streptaster Sumrall and Zamora p. 435

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
—Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
familyPyrgocystidaeKesling 1967
genusStreptasterHall 1872

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. †Streptaster Hall 1872
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†Streptaster nodosus 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: stationaryg
Attached: yesg
Epibiont: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedc
Dispersal: waterp
Dispersal 2: planktonicp
Created: 2009-02-27 13:44:11
Modified: 2009-02-27 15:44:11
Source: g = genus, c = class, p = phylum
References: Hendy et al. 2009, Aberhan 1992, Aberhan et al. 2004

Age range: base of the Edenian to the top of the Richmondian or 451.00000 to 445.50000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Edenian451.0 - 450.2USA (Ohio) S. sp. (385)
Maysvillian450.2 - 449.6USA (Tennessee) S. vorticellatus (5374)
Maysvillian450.2 - 449.6USA (Ohio) S. sp. (388)
Maysvillian - Ashgill450.2 - 443.1USA (Ohio) S. sp. (389 390)
Richmondian449.6 - 445.5USA (Ohio) S. sp. (395) S. vorticellatus (5326)
Richmondian449.6 - 445.5USA (Kentucky) S. vorticellatus (207421)
Richmondian - Ashgill449.6 - 443.1USA (Ohio) S. sp. (392 393)
Ashgill449.5 - 443.1Morocco S. nodosus (194012 194014 194016 194017)