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Colostracon

Gastropoda - Acteoninidae

Taxonomy
Colostracon was named by Hamlin (1884) [Sepkoski's age data: K Apti K u Sepkoski's reference number: 157]. It is not extant.

It was assigned to Acteonidae by Ronchetti (1970); to Acteonininae by Kase (1984); and to Cephalaspida by Sepkoski (2002).

Species
C. (Ovactaeonina)
Species lacking formal opinion data
C. moreana

Synonymy list
YearName and author
1884Colostracon Hamlin
1970Colostracon Ronchetti p. 71
1984Colostracon Kase p. 169
2002Colostracon Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
—Sorbeoconcha(Ponder and Lindberg 1997)
superfamilyActeoninoideaCossmann 1895
familyActeoninidae(Pchelincev and Korobkov 1960)
subfamilyActeonininae
genusColostraconHamlin 1884

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.

G. †Colostracon Hamlin 1884
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Subg. †Colostracon (Ovactaeonina) Cossmann 1895
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†Ovactaeonina abdominiformis Schröder 1995
†Ovactaeonina gracilis Assmann 1924
†Ovactaeonina kalchreuthensis Gründel and Nützel 1998
†Ovactaeonina malzi Schröder 1995
†Ovactaeonina pommerana Grundel 1999
†Ovactaeonina scalaria Münster 1841
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Invalid names: Actaeonina subscalaris Laube 1868 [synonym], Oliva alpina Klipstein 1843 [synonym], Tornatella abbreviata Klipstein 1843 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height71.450.4105.302.201.93
shell height86.774.908.506.801.34

Composition: aragonitec
Locomotion: actively mobilec
Life habit: epifaunalc
Vision: limitedc
Created: 2004-02-29 11:40:59
Modified: 2010-02-11 01:35:02
Source: c = class
Reference: Kiessling 2004

Age range: base of the Julian to the top of the Late/Upper Aptian or 235.00000 to 113.00000 Ma

Collections (55 total)


Time interval Ma Country or state Original ID and collection number
Julian235.0 - 232.0Italy Actaeonina scalaris (144631 144634) Tornatella scalaris (137429)
Early/Lower Jurassic201.4 - 174.7Germany Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23813)
Pliensbachian190.8 - 182.7United Kingdom (Gloucestershire) Acteonina aulacophora (204125)
Late/Upper Pliensbachian189.6 - 183.0Germany (North Rhine-Westphalia) Ovactaeonina sp. (225405)
Late/Upper Pliensbachian189.6 - 183.0Germany (Bavaria) Ovactaeonina sp. 1, Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23850) Ovactaeonina sp. 2, Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23856) Ovactaeonina sp. 2, Ovactaeonina sp.3, Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23860) Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23849 23852 23854 23859) Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina kalchreuthensis (23853) Ovactaeonina sp., Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis (23857) Ovactaeonina sp., Ovactaeonina sp.1, Ovactaeonina sp.2, Ovactaeonina sp.3, Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23858) Ovactaeonina sp., Ovactaeonina sp.2, Ovactaeonina sp.3, Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina kalchreuthensis (23855) Ovactaeonina sp., Ovactaeonina sp.3, Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23851)
Late/Upper Pliensbachian189.6 - 183.0Germany Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23814) Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23816 23818) Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23815 23817) Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23625 23626) Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23812) Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23627) Ovactaeonina sendelbachensis, Ovactaeonina kalchreuthensis (23624) Ovactaeonina sp. 1, Ovactaeonina sp. 3, Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23840) Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina kalchreuthensis (23628 23839 23841 23843 23845) Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis (23846) Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina sendelbachensis, Ovactaeonina kalchreuthensis (23842 23844) Ovactaeonina sp., Ovactaeonina sendelbachensis, Ovactaeonina abdominiformis (23848)
Spinatum189.6 - 183.0Germany Ovactaeonina sp., Ovactaeonina franconica, Ovactaeonina abdominiformis, Ovactaeonina malzi, Ovactaeonina kalchreuthensis, Ovactaeonina pommerana (152175)
Spinatum189.6 - 183.0Germany (Bavaria) Actaeonina sp., Actaeonina sendelbachensis, Actaeonina abdominiformis, Ovactaeonina kalchreuthensis (25502)
Early/Lower Aalenian175.6 - 171.6Germany Ovactaeonina sp. 1 (58217) Ovactaeonina sp. 2 (75983)
Late/Upper Bajocian - Early/Lower Bathonian171.6 - 164.7France (Occitanie) Ovactaeonina sp. (58416)
Late/Upper Bathonian167.7 - 164.7Afghanistan C. phasianoides (76927)
Callovian - Oxfordian166.1 - 157.3Tunisia Ovactaeonina contodiorium (13871) Ovactaeonina contodiorum (13898)
Callovian - Kimmeridgian166.1 - 152.1Tunisia Ovactaeonina custodiorum (99125)
Early/Lower Kimmeridgian155.7 - 150.8Portugal C. pilleti (67909)
Late/Upper Tithonian150.8 - 145.0Portugal C. moreana (8157)
Berriasian145.0 - 139.8Greenland Actaeonina sp. (82622)
Late/Upper Barremian130.0 - 125.45France (Drôme) Ovactaeonina sp. 1 (75576) Ovactaeonina sp. 1, Ovactaeonina sp. 2 (177726)
Aptian125.0 - 113.0United Kingdom (England) Ovactaeonina forbesiana (1747 1836)
Late/Upper Aptian122.46 - 113.0United Kingdom (England) Ovactaeonina forbesiana (162252)