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Scyphozoa -

Sphenothallus is a genus. It is not extant.

It was assigned to Scyphozoa by Sepkoski (2002).

Synonymy list
YearName and author
2002Sphenothallus Sepkoski, Jr.

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phylumCnidariaHatschek 1888
classScyphozoaGoette 1887

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.

No diagnoses are available
No measurements are available
Locomotion: stationaryg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: blindc
Comments: Attached to Selkirkia fragmentsg
Created: 2009-04-15 11:56:40
Modified: 2009-04-15 13:56:40
Source: g = genus, c = class
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Atdabanian to the top of the Chadian or 520.00000 to 345.00000 Ma

Collections (17 total)

Time interval Ma Country or state Original ID and collection number
Atdabanian520.0 - 516.0China (Shaanxi) S. sp. (57696)
Botomian516.0 - 513.0China (Yunnan) S. sp. (90370 90371)
Dyeran516.0 - 513.0USA (Nevada) S. sp. (96417)
Nangaoian516.0 - 513.0China (Guizhou) S. sp. (128419 128421)
Amgan513.0 - 505.0Czech Republic (Bohemia) S. kozaki (67708)
Middle Cambrian513.0 - 501.0Canada (Brithish Columbia) S. sp. (188664)
Edenian460.9 - 449.5USA (Kentucky) S. sp. (72638)
Sandbian458.4 - 453.0United Kingdom (Scotland) S. sp. (115303)
Katian453.0 - 445.2USA (Kentucky) S. sp. (181722)
Maysvillian452.0 - 449.5USA (Iowa) S. sp. (13261)
Kralodvorian - Rawtheyan449.5 - 445.6Czech Republic S. sp. (3879)
Rhuddanian - Aeronian443.4 - 438.5USA (Iowa) S. sp. (26860)
Famennian372.2 - 358.9USA (Ohio) S. sp. (3380 3382)
Chadian345.3 - 345.0Czech Republic S. sp. (38089)