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Operculina
Taxonomy
Operculina is a genus. It is extant.
It was assigned to Foraminiferida by Sepkoski (2002); and to Nummulitidae by Cushman (1927), Squires and Demetrion (1992), Beavington-Penney and Racey (2004).
It was assigned to Foraminiferida by Sepkoski (2002); and to Nummulitidae by Cushman (1927), Squires and Demetrion (1992), Beavington-Penney and Racey (2004).
Species
Species lacking formal opinion data
O. africana, O. alpina, O. ammonoides, O. ammonoides, O. azilensis, O. bartschi, O. complanata, O. complanata, O. complanta, O. cruciensis, O. discoidalis, O. discoidea, O. gomezi, O. granulosa, O. hardeni, O. hardiei, O. heberti, O. heterostegina, O. jiwani, O. neberti, O. patalensis, O. pyramidum, O. roselli, O. salsa, O. subsala, O. subsalia, O. subsalsa, O. thouini, O. venosa, O. victoriensis
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Operculina Cushman p. 53 |
| 1992 | Operculina Squires and Demetrion p. 13 |
| 2002 | Operculina Sepkoski |
| 2004 | Operculina Beavington-Penney and Racey |
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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. Operculina
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†Operculina canalifera d'Archiac 1850
†Operculina pacifica Whipple 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Aptian to the top of the Holocene or 121.40000 to 0.00000 Ma
Collections (203 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | Switzerland | O. cruciensis (2175 2232) | |
| Paleocene - Oligocene | Belize (Toledo) | O. sp. (217171) | |
| Selandian - Thanetian | Slovakia (Trencin) | O. heberti (216099) O. heberti, O. azilensis (216067) | |
| Selandian - Thanetian | China (Tibet) | O. sp. (215936) | |
| Selandian - Thanetian | Iraq (Sulaymaniyah) | O. sp. (215133 215138) O. subsalia (215124 215128 215129 215132 215134) | |
| Late/Upper Paleocene | Pakistan | O. jiwani, O. salsa (77287) O. subsalsa, O. patalensis (77279) | |
| Late/Upper Paleocene | Togo (Tsevie) | O. sp. (42681) | |
| Thanetian | Libya (Ajdabiya) | O. sp. (214666) | |
| Thanetian | India (Meghalaya) | O. sp. (214602 214938 214939 214940 214941 214942) | |
| Thanetian | Niger | O. canalifera (83985) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Gelasian | India (Andaman Islands) | O. sp. (222377) | |
| Pleistocene | Indian Ocean | O. ammonoides (250301 259279) O. spp. (250300 250304 250308 250313 250314 250315 250316 250317 257460 257461 257462 257463) O. spp., O. ammonoides (250302 250307) | |
| NN19 | Indian Ocean | O. spp. (249549 249550 249551 259066 259072) O. spp., O. ammonoides (249552) | |
| Middle Pleistocene - Late/Upper Pleistocene | New Caledonia | O. granulosa (109502) | |
| NN20 | South Pacific | O. complanata (243698 243700 243702 243703 243704 243705 243706) | |
| NN20 | Indian Ocean | O. spp. (259063) | |
| NN20 - NN21 | Indian Ocean | O. ammonoides (259061) | |
| Late/Upper Pleistocene | India | O. sp. (165868) | |
| Holocene | Seychelles | O. sp. (96926) | |
| Holocene | Mayotte | O. sp. (209858 209863) | |