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Sanniolus sigmoides

Ostracoda - Platycopida - Miltonellidae

Taxonomy
Sanniolus sigmoides was named by Sohn (1954). Its type specimen is USNM 118374 and is a 3D body fossil. Its type locality is USNM703c, Old Word Ranch, Glass Mountains, which is in a Kungurian slope limestone in the Road Canyon Formation of Texas. It is the type species of Sanniolus.

Synonymy list
YearName and author
1954Sanniolus sigmoides Sohn p. 18 figs. Pl 5, figs 9-13

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
RankNameAuthor
—Hymenostraca(Rolfe 1969)
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPlatycopidaSars 1866
suborderKloedenellocopinaScott 1961
superfamilyKloedenelloidea(Ulrich and Bassler 1908)
familyMiltonellidae
genusSanniolus
speciessigmoides

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.

†Sanniolus sigmoides Sohn 1954
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height20.5900.4400.7900.6150.247

Composition: low Mg calcitec
Environment: hypersaline, marine, brackish, freshwaterc
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: detritivoreo
Diet 2: suspension feedero
Vision: blindo
Created: 2010-02-05 01:56:31
Modified: 2011-06-14 02:59:51
Source: o = order, c = class
References: Jell and Adrain 2002, Kiessling 2004

Age range: base of the Artinskian to the top of the Kungurian or 290.10000 to 272.30000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 279.3USA (Texas) Sanniolus sigmoides (117948)
Kungurian279.3 - 272.3USA (Texas) Sanniolus sigmoides (type locality: 43517)