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Gastropoda - Ranellidae

Ranularia was named by Schumacher (1817) [Sepkoski's age data: T Than R]. It is extant.

It was reranked as Tritonium (Ranularia) by Gabb (1873); it was reranked as Eutritonium (Ranularia) by Cossmann and Pissarro (1913); it was reranked as Cymatium (Ranularia) by Ladd (1982), Todd (2001) and Beu (2005).

It was assigned to Tritonium by Gabb (1873); to Eutritonium by Cossmann and Pissarro (1913); to Neotaenioglossa by Sepkoski (2002); to Cymatium by Ladd (1982), Todd (2001) and Beu (2005); and to Ranellinae by Beu (2010).

  • Retusum was named by Jousseaume (1892). It is extant.

    It was synonymized subjectively with Ranularia by Beu (2005).
  • Tritonocauda was named by Dall (1904). It is extant.

    It was synonymized subjectively with Ranularia by Beu (2005).
Synonymy list
YearName and author
1817Ranularia Schumacher
1873Tritonium (Ranularia) Gabb p. 212
1892Retusum Jousseaume p. 344
1904Tritonocauda Dall p. 133
1913Eutritonium (Ranularia) Cossmann and Pissarro
1982Cymatium (Ranularia) Ladd p. 41
2001Cymatium (Ranularia) Todd
2002Ranularia Sepkoski, Jr.
2005Cymatium (Ranularia) Beu p. 88
2010Ranularia Beu p. 181

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EubilateriaAx 1987
classGastropodaCuvier 1797
superorderHypsogastropoda(Ponder and Lindberg 1997)
infraorderLittorinimorphaGolikov and Starobogtov 1975
superfamilyTonnoidea(Suter 1913)
familyRanellidaeGray 1854
subfamilyRanellinaeGray 1854
genusRanulariaSchumacher 1817

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.

No diagnoses are available

Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: carnivoref
Vision: limitedc
Created: 2009-09-10 07:59:47
Modified: 2009-09-10 09:59:47
Source: f = family, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Early/Lower Paleocene to the top of the Holocene or 66.00000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 61.7 Ma

Collections (14 total)

Time interval Ma Country or state Original ID and collection number
Early/Lower Paleocene66.0 - 61.7USA (Texas) R. hula (86406)
Danian - Selandian66.0 - 59.2USA (Texas) R. hula (99017 108437)
Early/Lower Paleocene - Middle Paleocene66.0 - 58.7USA (Texas) Cymatium hula (86328)
Early/Lower Pliocene5.333 - 3.6Indonesia (Java) Cymatium pyrulum, Cymatium sarcostoma, Cymatium gutturnium, Triton pseudopyrum (45344)
Pliocene - Pleistocene5.333 - 0.0117Malaysia R. clavator (72098 72102)
Pleistocene2.588 - 0.0117Vanuatu Cymatium gutturnium (78042 78044)
Pleistocene2.588 - 0.0117Venezuela R. cynocephalum (136355)
Pleistocene - Holocene2.588 - 0.0Yemen Cymatium trilineatum (55374)
Middle Pleistocene0.781 - 0.126Vanuatu Cymatium sinensis (78043)
Late/Upper Pleistocene (interglacial)0.126 - 0.0117Jamaica Cymatium caribbaeum (80408)
Holocene0.0117 - 0.0Venezuela R. cynocephalum (136357)