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Calyptraea contorta

Gastropoda - Neotaenioglossa - Calyptraeidae

Taxonomy
Galerus contortus was named by Carpenter (1864). It is extant. Its type specimen is USNM 11846, a shell.

It was recombined as Calyptraea contorta by Kanakoff and Emerson (1959), Hendy (2021).

Sister species lacking formal opinion data
C. alaskana, C. aldrichi, C. mammilaris, C. merriami, C. primogenita, C. saxosa, C. viridarena

Synonymy list
YearName and author
1864Galerus contortus Carpenter p. 654
1959Calyptraea contorta Kanakoff and Emerson p. 26
2021Calyptraea contorta Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
RankNameAuthor
subclassCaenogastropoda(Cox 1959)
orderNeotaenioglossaHaller 1882
suborderPtenoglossa(Gray 1853)
superfamilyCalyptraeoideaLamarck 1809
familyCalyptraeidaeLamarck 1809
genusCalyptraeaLamarck 1799
speciescontorta(Carpenter 1864)

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.

Calyptraea contorta Carpenter 1864
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobileg
Attached: yesg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedc
Created: 2009-05-20 04:56:27
Modified: 2009-09-18 11:29:00
Source: g = genus, c = class
Reference: Kiessling 2004

Age range: base of the Gelasian to the top of the Late/Upper Pleistocene or 2.58000 to 0.01170 Ma

Collections (17 total)


Time interval Ma Country or state Original ID and collection number
Zanclean - Gelasian5.333 - 1.8USA (California) Calyptraea contorta (214261 214270 214272 214274)
Gelasian2.58 - 1.8USA (California) Calyptraea contorta (214281 214287) Calyptraea fastigiata (189561 189768)
Pleistocene2.58 - 0.0117USA (California) Calyptraea contorta (237610)
Middle Pleistocene0.774 - 0.129USA (California) Calyptraea contorta (203113) Calyptraea fastigata (138723)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117USA (California) Galerus contortus (222646)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Calyptraea contorta (59063 96566 160361 219029 219030)