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Caecum quadratum

Gastropoda - Caecidae

Taxonomy
Caecum quadratum was named by Carpenter (1857). It is extant.

Synonyms
  • Caecum grippi was named by Bartsch (1920). It is extant. Its type specimen is USNM 206961, a shell.

    It was synonymized subjectively with Caecum quadratum by Hendy (2020).
  • Caecum dalli was named by Bartsch (1920). It is extant.

    It was synonymized subjectively with Caecum quadratum by Hendy (2021).
Synonymy list
YearName and author
1857Caecum quadratum Carpenter p. 322
1920Caecum dalli Bartsch p. 568
1920Caecum grippi Bartsch p. 568
2021Caecum quadratum Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superfamilyTruncatelloideaGray 1840
familyCaecidaeGray 1850
genusCaecumFleming 1813
speciesquadratumCarpenter 1857

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.

Caecum quadratum Carpenter 1857
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Invalid names: Caecum dalli Bartsch 1920 [synonym], Caecum grippi Bartsch 1920 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: grazerf
Vision: limitedc
Created: 2009-09-10 07:54:52
Modified: 2009-09-10 09:54:52
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Quaternary to the top of the Middle Pleistocene or 2.58000 to 0.12900 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pleistocene2.588 - 0.781USA (California) Caecum dalli (202496)
Quaternary2.58 - 0.0USA (California) Caecum dalli (37933 37937 37939 37943 37947 37948)
Middle Pleistocene0.774 - 0.129USA (California) Caecum dalli (202494) Caecum grippi (203095 223525)