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Contractenidae

Tentaculita - Contractenidae

Taxonomy
Contractenidae was named by Ljaschenko (1973).

It was assigned to Tentaculitida by Farsan (1994).

Synonymy list
YearName and author
1973Contractenidae Ljaschenko
1994Contractenidae Farsan p. 53 figs. Table 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
RankNameAuthor
superphylumLophotrochozoa
classTentaculitaBoucek 1964
subclassTentaculitida(Ljaschenko 1955)
familyContractenidaeLjaschenko 1973
familyContractenidaeLjaschenko 1973

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.

Fm. †Contractenidae Ljaschenko 1973
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G. †Contractenus Ljaschenko 1959
G. †Semicyclus Churkin and Carter 1970
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calciteo
Locomotion: stationaryo
Life habit: semi-infaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-29 13:44:32
Modified: 2009-10-11 14:08:35
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Pragian to the top of the Emsian or 413.02000 to 393.47000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Pragian413.02 - 410.62Poland Contractenus sp. (81168)
Emsian410.62 - 393.47USA (Alaska) Semicyclus brabbi (79135)