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Semielliptotheca

Orthothecida - Orthothecidae

Taxonomy
Semielliptotheca was named by Syssoiev (1958) [Sepkoski's age data: Cm Tomm-l O m Sepkoski's reference number: 1,1006].

It was assigned to Orthothecidae by Fisher (1962); to Hyolitha by Malinky (1990); and to Orthothecida by Sepkoski (2002).

Synonymy list
YearName and author
1958Semielliptotheca Syssoiev
1962Semielliptotheca Fisher p. 127
1990Semielliptotheca Malinky p. 228
2002Semielliptotheca Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
Lophophorata
phylumHyolitha
orderOrthothecida
familyOrthothecidae
genusSemielliptothecaSyssoiev 1958

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. †Semielliptotheca Syssoiev 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitep
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 1.0 to < 10f
Adult height: 1.0 to < 10f
Ribbing: minorf
Spines: nonef
Environment: marinep
Locomotion: stationaryp
Life habit: epifaunalp
Diet: suspension feederp
Vision: blindp
Created: 2009-02-26 06:53:26
Modified: 2009-02-26 08:53:26
Source: f = family, p = phylum
References: Hendy et al. 2009, Hendy 2009

Age range: Llandeilo or 461.10000 to 458.40000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Llandeilo461.1 - 458.4China (GanSu) S. sp. (8549)