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Gastropoda -

Synonymy list
YearName and author
1815Trochacea Rafinesque
1960Trochacea Knight et al. p. 246
1987Trochacea Squires p. 22
1987Trochacea Ward and Blackwelder p. 131
1990Trochacea Beu et al. p. 403
1997Trochoidea Ponder and Lindberg p. 216
1998Trochoidea Beesley p. 671
2001Trochoidea Lozouet et al. p. 18
2001Trochoidea Todd
2004Trochoidea Harzhauser p. 107
2005Trochoidea Bouchet et al. p. 245
2007Trochoidea Harzhauser p. 83
2014Trochoidea Ferrari p. 566
2016Trochoidea Nützel and Ketwetsuriya p. 496
2017Trochoidea Wagner

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EubilateriaAx 1987
classGastropodaCuvier 1797
superorderVetigastropodaSalvini-Plawen 1980
superfamilyTrochoidea(Rafinesque 1815)
superfamilyTrochoidea(Rafinesque 1815)

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
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Created: 2009-09-10 08:47:46
Modified: 2009-09-10 10:47:46
Source: superf = superfamily, c = class
References: Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Givetian to the top of the Holocene or 387.70000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 382.7 Ma

Collections (1935 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Givetian387.7 - 382.7Australia (Queensland) Eucochlis withnalli (39872)
Givetian387.7 - 382.7Poland Yunnania sp. (83035)
Famennian372.2 - 358.9Germany Trochus nessigii, Trochus oxygonus (156553)
Hastarian360.7 - 353.8Belgium (Wallonia) Turbo pygmaeus (147213)
Tournaisian358.9 - 346.7Australia (New South Wales) Eucochlis australis (44079 44158 44159 44160) Eucochlis depressa (43904) Eucochlis sp., Eucochlis umbiliparva (43950) Eucochlis umbiliparva, Eucochlis australis (44080 44088)
Chadian345.3 - 345.0Czech Republic Eucochlis sp. (38086)
Meramecian345.0 - 336.0USA (Nevada) Yunnania sp., Yunnania sp. B (62674)
Brigantian336.0 - 326.4United Kingdom (England) Portlockia minor, Portlockia parallela (67670) Yunnania sp., Yunnania semicancellata (57131)
Bashkirian - Moscovian323.2 - 307.0Argentina (Chabut) Yunnania subpygmaea (152933)
Bashkirian - Moscovian323.2 - 307.0Argentina Yunnania subpygmaea (64407 88688)
Bashkirian - Moscovian323.2 - 307.0Argentina (Chubut) Yunnania subpygmaea (39936)
Morrowan318.1 - 314.6USA (Texas) Yunnania sp. (79966)
Morrowan318.1 - 314.6USA (Wyoming) Yunnania sp. (5724)
Vereian314.6 - 313.8Ukraine Portlockia kamenkensis (156384)
Kashirian - Myachkovian313.8 - 306.95USA (New mexico) Eucochlis perminuta (46548)
Desmoinesian313.8 - 305.9USA (New Mexico) Eucochlis sp., Eucochlis perminuta (46536)
Virgilian303.4 - 298.9USA (New Mexico) Eucochlis perminuta (146828)
Artinskian290.1 - 279.3USA (Utah) Yunnania sp. (10651)
Artinskian290.1 - 279.3USA (Nevada) Yunnania sp. (10650 10654)
Artinskian290.1 - 279.3USA (New Mexico) Dichostasia simplex (101770 101771)