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Gastropoda - Euomphalina - Platyceratidae

Synonymy list
YearName and author
1859Platyceratidae Hall
1885Cyclonematidae Fischer
1889Platyostomatidae Miller
1909Strophostylidae Grabau and Shimer
1936Palaeocapulidae Grabau
1960Platyceratidae Knight et al. p. 239
1975Platyceratidae Golikov and Starobogatov p. 208
1999Platyceratidae Horný and Henry p. 122
2003Platyceratidae Jeffery
2003Platyceratidae Lindström and Peel p. 624
2005Platyceratidae Bouchet et al. p. 246
2017Platyceratidae Wagner

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EubilateriaAx 1987
classGastropodaCuvier 1797

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: low Mg calcitef
Composition 2: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ribbing: minorsuperf
Ontogeny: accretionsuperf
Environment: marinef
Locomotion: passively mobilef
Epibiont: yesf
Life habit: epifaunalf
Diet: coprophagef
Vision: limitedc
Comments: MINERALOGY: Outer relatively thick calcitic . BODY SIZE: Based on component genera; 4 of 4 genera share 10 to < 100 length, 4 of 4 share 10 to < 100 width. LIFE HISTORY: Data from Meyer et al (2009).f
Created: 2004-08-15 08:04:13
Modified: 2009-07-20 15:16:03
Source: f = family, superf = superfamily, c = class
References: Kiessling 2004, Knight et al. 1960, Batten 1984

Age range: base of the Costonian to the top of the Chattian or 460.90000 to 23.03000 Ma

Collections (1140 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Middle Ordovician470.0 - 458.4USA (New York) Cyclonema sp. (333 430)
Chazy466.0 - 457.5USA (New York) Eunema leptonotum (56214 171713)
Llandeilo - Caradoc466.0 - 449.5China (GanSu) Cyclonema sp. (20763)
Costonian460.9 - 457.5USA (Oklahoma) Cyclonema sp. (13815 13816)
Dobrotivian460.9 - 457.5Spain (Guadalajara) Holopea antiquata (194904)
Keila - Oandu460.9 - 452.0Sweden (Dalarna) Cyclonema inaequistriatum (155566)
Ashbyan460.9 - 449.5USA (Tennessee) Cyclonema praecipitum (5327)
Berounian460.9 - 449.5Morocco Holopea antiquata (20966 192913) Nonorios pater (56179)
Berounian460.9 - 449.5Czech Republic Naticopsis antiquata (155175)
Blackriveran460.9 - 449.5USA (Illinois, Iowa) Horiostomella aiens (23612) Trochonema percarinatum (23613 23614 23615)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Wuchiapingian259.9 - 254.17New Zealand Cinclidonema sp. (52766)
Wuchiapingian259.9 - 254.17USA (Wyoming) Platyceras yochelsoni (61948 61951 82181)
Lopingian259.9 - 252.17China (Jiangxi) Platyceras producti (109628)
Wuchiapingian - Changhsingian259.9 - 252.17Pakistan Orthonychia abundans (126707)
Changhsingian254.17 - 252.17Nepal Platyceratidae indet. (62441)
Changhsingian254.17 - 252.17New Zealand (Southland) Cinclidonema sp. (41765)
Carnian237.0 - 228.0USA (Alaska) Platyceras sp. (112343)
Late/Upper Triassic237.0 - 201.3USA (Alaska) Platyceras sp. (112288)
Late/Upper Bathonian - Early/Lower Callovian167.7 - 161.2Madagascar (Toliara) Cyclonema zetes (98168)
Rupelian - Chattian33.9 - 23.03Italy Gibbula neglecta (180394)