Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Biplica obliqua

Gastropoda - Heterostropha - Ringiculidae

Taxonomy
Cinulia obliqua was named by Gabb (1864). Its type specimen is ANSP 4263, a shell, and it is a 3D body fossil. Its type locality is "Chico beds" - Tuscan Springs, Tehama, which is in a Coniacian coastal siliciclastic in California.

It was recombined as Oligoptycha obliqua by Stewart (1927), Hoots (1931), Taff et al. (1940) and Popenoe (1942); it was recombined as Biplica obliqua by Popenoe (1957).

Sister species lacking formal opinion data
B. antichthona, B. siberica

Synonymy list
YearName and author
1864Cinulia obliqua Gabb p. 111 figs. pl. 19, figs. 64, 64a, b, c
1917Cinulia obliqua Waring p. 65 figs. Pl. 9, Fig. 2
1927Oligoptycha obliqua Stewart p. 436 figs. Plate XXIV, fig. 14
1931Oligoptycha obliqua Hoots p. 91
1940Oligoptycha obliqua Taff et al. p. 1323 figs. Plate 2, figures 5, 6
1942Oligoptycha obliqua Popenoe p. 178
1957Biplica obliqua Popenoe p. 435

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
orderHeterostropha()
superfamilyActeonoidead'Orbigny 1835
familyRingiculidaePhilippi 1853
genusBiplicaPopenoe 1957
speciesobliqua()

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.

†Biplica obliqua Gabb 1864
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 07:36:45
Modified: 2009-09-10 09:36:45
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Early/Lower Cenomanian to the top of the Early/Lower Maastrichtian or 99.60000 to 66.00000 Ma

Collections (54 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (California) Oligoptycha obliqua (167602)
Early/Lower Cenomanian99.6 - 93.5USA (California) Oligoptycha obliqua (167599)
Coniacian89.8 - 86.3USA (California) Cinulia obliqua (44232) Oligoptycha obliqua (44233)
Santonian86.3 - 83.6USA (California) Oligoptycha obliqua (44275 44279)
Campanian83.6 - 72.1USA (California) Biplica obliqua (210575) Cinulia obliqua (158389) Oligoptycha obliqua (44274 215345)
Early/Lower Campanian83.5 - 70.6USA (California) Oligoptycha obliqua (3885 44277 185172 220366 220920)
Late/Upper Campanian83.5 - 70.6USA (California) Biplica obliqua (1513 1514 1515 1516 1517 1545 1547 86793 86794 98225 167703 167704 167705) Oligoptycha obliqua (72057 86811 86819 185168 219077 220906)
Middle Campanian83.5 - 70.6USA (California) Biplica obliqua (86936 144763 144764 144773 168008) Cinulia obliqua (193033) Oligoptycha obliqua (185174 219078 220911 220919 220925 220928 221105 221107)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0USA (California) Biplica obliqua (1533)
Maastrichtian72.1 - 66.0USA (California) Oligoptycha obliqua (83792 83793 215344)
Maastrichtian72.1 - 66.0Mexico (Baja California) Oligoptycha obliqua (158099)
Late/Upper Maastrichtian70.6 - 66.0USA (California) Oligoptycha obliqua (219051)