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Omalaxis bifrons

Gastropoda - Turritellidae

Taxonomy
Solarium bifrons was named by Lamarck (1804). It is a 3D body fossil. Its type locality is Grignon (Defrance collection), which is in a Lutetian open shallow subtidal sandstone/sandstone in France.

It was recombined as Omalaxis bifrons by Glibert (1962).

Sister species lacking formal opinion data
O. ammonoides, O. brusseliensis, O. conoidea, O. crenensis, O. dijunctus, O. disjoncta, O. disjuncta, O. laudenensis, O. laudunensis, O. serrata, O. singleyi
Entered
by P. Wagner on 2016-04-19; modified by M. Clapham on 2017-02-05

Synonymy list
YearName and author
1804Solarium bifrons Lamarck p. 55 figs. Pl 16, fig 2
1962Omalaxis bifrons Glibert p. 114

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
superfamilyCerithioidea(Férussac 1819)
familyTurritellidaeLovén 1847
subfamilyOmalaxinaeCossmann 1916
genusOmalaxisDeshayes 1832
speciesbifrons()

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.

†Omalaxis bifrons Lamarck 1804
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: semi-infaunalf
Diet: suspension feederf
Vision: limitedc
Created: 2009-09-10 07:15:58
Modified: 2018-02-27 07:57:42
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range: Lutetian or 48.07000 to 41.03000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Lutetian48.07 - 41.03France Omalaxis bifrons (171526) Solarium bifrons (184110)
Lutetian48.07 - 41.03France (Yvelines) Omalaxis bifrons (177970 177971 177972 177974 177975)
Lutetian48.07 - 41.03United Kingdom (England) Omalaxis bifrons (8124)
Lutetian48.07 - 41.03France (Picardie) Omalaxis bifrons (178119)