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Neomphaloidei was named by Sitnikova and Starobogatov (1983). It is extant.

It was corrected as Neomphalina by McLean (1990) and Goedert and Benham (1999); it was reranked as the suborder Neomphaliones by Bouchet et al. (2017).

It was assigned to Archaeogastropoda by Goedert and Benham (1999); and to Gastropoda by McLean (1990) and Bouchet et al. (2017).

Synonymy list
YearName and author
1990Neomphalina McLean p. 83
1999Neomphalina Goedert and Benham p. 114
2017Neomphaliones Bouchet et al. pp. 301, 334

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EubilateriaAx 1987
suborderNeomphaliones(Sitnikova and Starobogatov 1983)
suborderNeomphaliones(Sitnikova and Starobogatov 1983)

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.

Subor. Neomphaliones Sitnikova and Starobogatov 1983
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Superfm. Neomphaloidea McLean 1981
Fm. Melanodrymiidae Salvini-Plawen and Steiner 1995
G. Melanodrymia Hickman 1984
Fm. Neomphalidae McLean 1981
G. Cyathermia Warén and Bouchet 1989
G. †Leptogyra Bush 1897
Leptogyra squiresi Kiel and Goedert 2007
G. †Lithomphalus Kiel and Campbell 2005
Lithomphalus enderlini Kiel and Campbell 2005
G. Neomphalus McLean 1981
G. Retiskenea Warén and Bouchet 2001
Retiskenea diploura Warén and Bouchet 2001
Retiskenea kieli Campbell 2008
Retiskenea statura Goedert and Benham 1999
Retiskenea tuberculata Campbell 2008
Invalid names: Cyathermiidae McLean 1990 [synonym]
Fm. Peltospiridae McLean 1989
G. Depressigyra Warén and Bouchet 1989
G. Peltospira McLean 1989
Invalid names: Cocculinida Thiele 1909 [empty]
No diagnoses are available
No measurements are available
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

Maximum range based only on fossils: base of the Middle Tithonian to the top of the Late/Upper Pleistocene or 150.80000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 145.0 Ma

Collections (20 total)

Time interval Ma Country or state Original ID and collection number
Middle Tithonian - Late/Upper Tithonian150.8 - 145.0USA (California) Retiskenea kieli (151966)
Valanginian139.8 - 132.9USA (California) Lithomphalus enderlini (151971) Retiskenea tuberculata, Lithomphalus enderlini (151968)
Hauterivian132.9 - 129.4USA (California) Retiskenea tuberculata (151967 151969)
Albian113.0 - 100.5USA (California) Retiskenea kieli (151965)
Albian - Cenomanian113.0 - 93.9New Zealand (North Island) Retiskenea sp. (205218)
Early/Lower Albian112.03 - 109.0Gabon Lithomphalus sp. A (209485) Lithomphalus sp. A, Lithomphalus sp. B (209487) Lithomphalus sp. B (209483)
Lutetian47.8 - 41.3USA (Washington) Depressigyra sp. (198636) Depressigyra statura (172002)
Priabonian38.0 - 33.9USA (Washington) Depressigyra sp. (191203) Leptogyra sp. (205200) Leptogyra squiresi (205032)
Priabonian - Rupelian38.0 - 28.1USA (Washington) Retiskenea statura (205199)
Early/Lower Oligocene33.9 - 28.4USA (Washington) Depressigyra statura (205036)
Rupelian33.9 - 28.1USA (Washington) Depressigyra sp. (205195)
Chattian28.1 - 23.03USA (Washington) Depressigyra sp., Depressigyra statura, Retiskenea statura (4869)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Depressigyra sp. (200653)