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Megasurcula
Taxonomy
Megasurcula was named by Casey (1904) [Sepkoski's age data: T Ol-l R Sepkoski's reference number: 96,555]. It is extant. Its type is Pleurotoma (Surcula) carpenteriana.
It was reranked as Surculites (Megasurcula) by Grant and IV and Gale (1931); it was reranked as Acamptogenotia (Megasurcula) by Hickman (1976).
It was assigned to Pleurotomidae by Casey (1904); to Surculites by Grant and IV and Gale (1931); to Turriculinae by Addicott (1970); to Acamptogenotia by Hickman (1976); to Turridae by Moore (1984); to Neogastropoda by Sepkoski (2002); and to Pseudomelatomidae by Bouchet et al. (2011).
It was reranked as Surculites (Megasurcula) by Grant and IV and Gale (1931); it was reranked as Acamptogenotia (Megasurcula) by Hickman (1976).
It was assigned to Pleurotomidae by Casey (1904); to Surculites by Grant and IV and Gale (1931); to Turriculinae by Addicott (1970); to Acamptogenotia by Hickman (1976); to Turridae by Moore (1984); to Neogastropoda by Sepkoski (2002); and to Pseudomelatomidae by Bouchet et al. (2011).
Species
M. carpenteriana (syn. Bathytoma clarkiana, Pleurotoma (Surcula) tryoniana, Pleurotoma (Dolichotoma) cooperi), M. condonana, M. howei, M. keepi, M. wynoocheensis, Surculites (Megasurcula) remondii (syn. Pleurotoma (Genota) stearnsiana, Bathytoma gabbiana, Bathytoma carpenteriana fernandoana), Surculites (Megasurcula) riversianus
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1904 | Megasurcula Casey p. 147 |
| 1931 | Surculites (Megasurcula) Grant, IV and Gale p. 495 |
| 1970 | Megasurcula Addicott p. 132 |
| 1976 | Acamptogenotia (Megasurcula) Hickman p. 61 |
| 1984 | Megasurcula Moore p. 25 |
| 2002 | Megasurcula Sepkoski |
| 2011 | Megasurcula Bouchet et al. p. 292 |
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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. Megasurcula Casey 1904
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†Megasurcula carpenteriana Gabb 1866 [Carpenter's turrid]
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Invalid names: Bathytoma clarkiana Rivers 1914 [synonym], Pleurotoma (Dolichotoma) cooperi Arnold 1903 [synonym], Pleurotoma (Surcula) tryoniana Gabb 1866 [synonym]
†Megasurcula condonana Anderson and Martin 1914
†Megasurcula howei Hanna and Hertlein 1938
†Megasurcula keepi Arnold 1907
†Megasurcula wynoocheensis Weaver 1912
†Surculites (Megasurcula) remondii Gabb 1866
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Invalid names: Bathytoma gabbiana Dall 1909 [synonym], Pleurotoma (Genota) stearnsiana Raymond 1904 [synonym]
†Surculites (Megasurcula) riversianus Raymond 1904
Invalid names: Bathytoma carpenteriana fernandoana Arnold 1908 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Chattian to the top of the Late/Upper Pleistocene or 27.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Collections (86 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chattian | USA (Washington) | M. wynoocheensis (37584 91623) | |
| Aquitanian | USA (Washington) | M. wynoocheensis (37560) | |
| Early/Lower Miocene | USA (California) | M. howei (237345 237346) M. keepi (94853 196138) Pseudotoma keepi (167645) | |
| Miocene | USA (California) | M. wynoocheensis (194805) | |
| Burdigalian | USA (Oregon) | M. condonana, M. wynoocheensis (39805) | |
| Langhian | USA (Oregon) | M. condonana (39605 39606 39703) M. sp. (201690) M. wynoocheensis (39600 39799) | |
| Langhian | USA (California) | M. howei (206393) | |
| Middle Miocene | USA (California) | Pleurotoma keepi (237493) | |
| Late/Upper Miocene | Japan | Surculites cryptoconoides (52113) | |
| Late/Upper Miocene | USA (California) | Turris tryoniana (216901) | |
| Messinian | USA (California) | M. n. sp. aff. wynoocheensis (194796 194802) M. wynoocheensis (194803 194895) | |
| Early/Lower Pliocene | USA (Oregon) | Bathytoma gabbiana (71148) | |
| Early/Lower Pliocene | USA (California) | M. carpenteriana (97208 97401 97403) Surculites remondii (96903 96911) Turris carpenteriana (206367 208580) Turris carpenteriana, Turris tryoniana (206373) Turris tryoniana (206366) | |
| Pliocene | USA (California) | Turris carpenteriana (216902 216903) | |
| Zanclean - Gelasian | USA (California) | M. carpenteriana (214268 214274) | |
| Late/Upper Pliocene | USA (California) | M. carpenteriana (200403 238606 238613) M. carpenteriana, M. cooperi (238418 238421) M. cooperi (238435 238436 238437 238605) M. remondii (96571) M. stearnsiana, M. carpenteriana (200398) | |
| Late/Upper Pliocene | Mexico (Baja California) | M. carpenteriana (154116) | |
| Piacenzian | USA (California) | M. carpenteriana (189542) Turris tryoniana (186031) | |
| Gelasian | USA (California) | Bathytoma carpenteriana (207762) M. carpenteriana (189766 189767 189769 207646 207659 207667 207668 207672 207673 207694 214277) | |
| Pleistocene | Mexico (Baja California) | M. carpenteriana (96594) | |
| Pleistocene | USA (California) | M. carpenteriana (237604 237610) | |
| Middle Pleistocene | USA (California) | M. carpentaria (71053 71054) M. carpenteriana (222663) Surculites carpenterianus (96894) Surculites remondii (96884) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Pleurotoma tryoniana (222648) Surcula tryoniana, Surcula carpenteriana (222646) | |
| Late/Upper Pleistocene | USA (California) | M. carpenteriana (96566 160361 219029 240635 240644 240646 240647) M. remondii, M. carpenteriana (59063) Pleurotoma carpenteriana (222659 222662) Pleurotoma cooperi, Pleurotoma carpenteriana, Pleurotoma tryoniana (222660) Surcula carpentariana (222674) |