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Semicyclus

Tentaculitida - Contractenidae

Taxonomy
Semicyclus was named by Churkin and Carter (1970).

It was assigned to Contractenidae by Farsan (1994).

Synonymy list
YearName and author
1970Semicyclus Churkin and Carter
1994Semicyclus Farsan p. 53 figs. Table 9

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
RankNameAuthor
superphylumLophotrochozoa
Lophophorata
orderTentaculitidaLjaschenko 1955
familyContractenidaeLjaschenko 1973
genusSemicyclusChurkin and Carter 1970

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. †Semicyclus Churkin and Carter 1970
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calciteo
Environment: marineuc
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: suspension feedero
Created: 2004-02-29 13:44:32
Modified: 2009-10-11 14:08:35
Source: o = order, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: Emsian or 407.60000 to 393.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Emsian407.6 - 393.3USA (Alaska) S. brabbi (79135)