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Gisortia
Taxonomy
Gisortia was named by Jousseaume (1884) [Sepkoski's age data: T Than-l T Eo-u Sepkoski's reference number: 121].
It was assigned to Cypraeidae by Abbass (1967) and Iqbal (1973); to Gisortiinae by Adegoke (1977); to Neotaenioglossa by Sepkoski (2002); and to Bernayinae by Squires (1987) and Groves and Squires (2023).
It was assigned to Cypraeidae by Abbass (1967) and Iqbal (1973); to Gisortiinae by Adegoke (1977); to Neotaenioglossa by Sepkoski (2002); and to Bernayinae by Squires (1987) and Groves and Squires (2023).
Synonyms
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Synonymy list
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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. †Gisortia Jousseaume 1884
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Subg. †Gisortia (Megalocypraea) Schilder 1927
Subg. †Gisortia (Vicetia) Fabiani 1905
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†Gisortia (Vicetia) hantkeni Lefèvre 1878
†Gisortia (Vicetia) stefaninii Negri 1934
†Gisortia (Vicetia) vredenburgi Schilder 1930
†Vicetia vredenburgi Schilder 1930
†Gisortia brevis DouvillĂ© 1920
†Gisortia brevis ewekoroensis Adegoke 1977
†Gisortia clarki Ingram 1940
†Gisortia colombiana Clark and Durham 1946
†Gisortia gigantea Munster 1828
†Gisortia harrisi Palmer 1957
†Gisortia ibrahimi Abbass 1967
†Gisortia mahgoobi Abbass 1967
†Gisortia murchisoni d'Archaic and Haime 1854
†Gisortia tuberculosa Duclos 1825
Invalid names: Aricia Gray 1837 [replaced]
Diagnosis
Reference | Diagnosis | |
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L. T. Groves and R. L. Squires 2023 | Shell ovoid, irregularly rounded and can be tuberculous. Lips little or not toothed (Jousseaume, 1884: pp. 88, 89). |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range
Maximum range based only on fossils: base of the Selandian to the top of the Late/Upper Miocene or 61.60000 to 5.33300 Ma
Minimum age of oldest fossil (stem group age): 59.2 Ma
Minimum age of oldest fossil (stem group age): 59.2 Ma
Collections (62 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Paleocene | USA (California) | G. clarki (11117) | |
Paleocene - Ypresian | Niger | G. brevis (83986) | |
Selandian | Nigeria | G. brevis (7791) | |
Selandian - Thanetian | Mali | G. brevis (209398) Ovula depressa (83984) | |
Thanetian | Niger | G. brevis (83985) | |
Ypresian | France (Aisne) | G. tuberculosa (183787) | |
Ypresian | Libya | G. stefanini (42126) | |
Ypresian | Pakistan | G. murchisoni (183837 183839 183948) | |
Ypresian | France | G. gigantea, Vicetia hantkeni (183747 183750) G. tuberculosa (171521) Vicetia hantkeni (94693) | |
Ypresian | France (Picardie) | Megalocypraea tuberculosa (178778) | |
Ypresian | USA (California) | G. clarki (178690 178718 178719 178720) | |
Ypresian | Italy | Ovula hantkeni (183754) | |
Ypresian | Bulgaria (Varna) | Megalocypraea gigantea (102285) | |
Early/Lower Eocene | China (Tibet) | G. depressa (76993) | |
Early/Lower Eocene | Pakistan | G. murchisoni (77304) | |
Lutetian | Pakistan | G. gigantea (77376 77382) G. murchisoni (77381 184031) Vicetia sowerbyi (183923 184032) Vicetia vredenburgi (47022) | |
Lutetian | Egypt | G. mahgoobi (2955) | |
Lutetian | Senegal | G. brevis (209386 209387 209390 209391 209399 209400) | |
Lutetian | Libya | G. gigantea (42125 42127) | |
Lutetian | Bulgaria (Varna) | Megalocypraea gigantea (103866) | |
Bartonian | Netherlands Antilles (Curacao) | G. sp. (60090) | |
Bartonian | Egypt | G. ibrahimi (2958) | |
Bartonian - Priabonian | USA (Florida) | G. harrisi (99208 99247) | |
Priabonian | Libya | G. sp. (77236) G. stefanini (42136 42144) | |
Priabonian | Egypt | G. gigantea (86659) | |
Priabonian | USA (Florida) | G. harrisi (99193 99195 99205 99206 99252) | |
Priabonian | Romania | Megalocypraea gigantea (101967) | |
Priabonian | Italy | Vicetia gigantea (78565) | |
Late/Upper Eocene | Somalia | Vicetia gigantea (78566) | |
Late/Upper Eocene | Colombia (Bolivar) | G. colombiana (3315) | |
Late/Upper Eocene | Pakistan | G. gigantea (77396) | |
Late/Upper Eocene | Panama | Megalocypraea clarki (92977) | |
Middle Miocene | Indonesia | Cypraea simplicissima (70085) | |
Late/Upper Miocene | Philippines | Cypraea beberkiriana (70138) |