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Ammodiscus
Taxonomy
Ammodiscus was named by Reuss (1862) [Sepkoski's age data: Cm uMid R Sepkoski's reference number: 579]. It is extant. Its type is Ammodiscus cretaceus.
It was assigned to Foraminiferida by Sepkoski (2002); and to Ammodiscidae by Cushman (1927), Morlotti (1988), Loeblich and Tappan (1988) and Neagu and Cirnaru (2004).
It was assigned to Foraminiferida by Sepkoski (2002); and to Ammodiscidae by Cushman (1927), Morlotti (1988), Loeblich and Tappan (1988) and Neagu and Cirnaru (2004).
Species
A. anceps, A. auricula, A. centrifugus, A. cretaceus (type species), A. fusiformis, A. incertus, A. jurassicus, A. milioloides, A. parapriscus, A. robertsoni
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1862 | Ammodiscus Reuss |
| 1927 | Ammodiscus Cushman p. 18 |
| 1988 | Ammodiscus Loeblich and Tappan |
| 1988 | Ammodiscus Morlotti p. 277 |
| 2002 | Ammodiscus Sepkoski |
| 2004 | Ammodiscus Neagu and Cirnaru p. 279 |
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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. Ammodiscus Reuss 1862
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†Ammodiscus anceps Brady 1876
†Ammodiscus auricula Chapman 1895
†Ammodiscus centrifugus Brady 1873
†Ammodiscus cretaceus Reuss 1845
†Ammodiscus fusiformis Chapman 1895
†Ammodiscus incertus d'Orbigny 1839
†Ammodiscus jurassicus Haeusler 1882
†Ammodiscus milioloides Jones et al. 1869
†Ammodiscus parapriscus Ho 1959
†Ammodiscus robertsoni Brady 1876
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Loeblich and Tappan 1984, Loeblich and Tappan 1988, Kiessling 2004 | |||||
Age range: base of the Early/Lower Cambrian to the top of the Aquitanian or 538.80000 to 20.44000 Ma
Collections (313 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cambrian | Senegal | A. sp. (97595) | |
| Frasnian - Famennian | Vietnam | A. sp. (83255) | |
| Late/Upper Famennian | USA (Montana) | A. sp. (643) | |
| Kinderhookian | USA (Indiana) | A. longexsertus (6733 6734) | |
| Chadian | USA (Indiana) | A. sp. (2249 2442) | |
| Visean | United Kingdom (Northern Ireland) | A. sp. (211911) | |
| Brigantian | United Kingdom (England) | A. anceps (73424) A. incertus (73394 73399 73420 73429) | |
| Chesterian | USA (Montana) | A. sp. (581) | |
| Pendleian | United Kingdom (England) | A. incertus (73467) | |
| Pennsylvanian | USA (Texas) | A. incertus (217080) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Thanetian | Spain | A. peruvianus, A. glabratus (154088 154089) | |
| Ypresian | Spain | A. glabratus (154104 154106) A. peruvianus (154105) A. peruvianus, A. glabratus (154090 154097) | |
| Early/Lower Eocene - Middle Eocene | Taiwan (N/A) | A. incertus (208362 208528 208534 208537) | |
| Lutetian | United Kingdom (England) | A. sp. (41893 41894 41895 41896 41945 41947 41948 41950 41952 41953) | |
| Rupelian | Germany | A. sp. (95898) | |
| Oligocene | Italy (Calabria) | A. sp. (9117) | |
| Late/Upper Oligocene | North Atlantic | A. sp. (121378) | |
| Late/Upper Oligocene | Taiwan (N/A) | A. incertus (208541 208542 208550 208553 208555 208556 208557 208558 208559) | |
| Aquitanian | Austria | A. tenuissimus (99160) | |
| Otaian | New Zealand | A. sp. (77488) | |