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Holcodiscus
Taxonomy
Holcodiscus was named by Uhlig (1882) [Sepkoski's age data: K Haut-u K Barr-l Sepkoski's reference number: 1066]. Its type is Ammonites caillaudianus.
It was assigned to Ammonoidea by Sepkoski (2002); and to Holcodiscidae by Haas (1960), Klein (2005).
It was assigned to Ammonoidea by Sepkoski (2002); and to Holcodiscidae by Haas (1960), Klein (2005).
Species
Species lacking formal opinion data
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. †Holcodiscus Uhlig 1882
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†Holcodiscus caillaudianus d'Orbigny 1850
†Holcodiscus camelinus d'Orbigny 1850
†Holcodiscus caseyi Manolov 1962
†Holcodiscus geronimae Hermite 1879
†Holcodiscus hauthali Paulcke 1907
†Holcodiscus menglonensis Sayn 1890
†Holcodiscus metamorphicus Coquand 1880
†Holcodiscus sophonisba Coquand 1880
†Holcodiscus tenuistriatus Paulcke 1907
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 23 | 10.4 | 4.30 | 18.0 | 11.0 | 3.17 | |
| shell diameter | 23 | 20.0 | 12.5 | 32.0 | 20.0 | 5.23 | |
| shell inflation | 23 | 4.86 | 3.00 | 7.00 | 5.00 | 0.986 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Tithonian to the top of the Santonian or 145.06000 to 83.60000 Ma
Collections (63 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Tithonian - Early/Lower Berriasian | Spain (Valencia) | H. diversecostatus (233873) | |
| Barremian | Austria (Ternberg) | H. sp. (50789 50792) | |
| Barremian | Slovakia | H. perezianus (2121) | |
| Barremian | Morocco | H. caillaudianus (82175) H. fallax (82173) H. perezianus (82177) | |
| Barremian | Spain (Murcia) | H. caillaudianus (2317 2374) H. caillaudinanus (2304) H. diverscostatus (2376) H. diversecostatus (2305 2307 2310 2319 2321 2322 2323 2324 2325 2377 2378) H. diversecostatus, H. caillaudianus (2311 2316) H. fallax, H. nicklesi (2368) H. fallax, H. nicklesi, H. gastaldianus (2369) H. nicklesi, H. gastaldianus (2370) H. perezianus (2361 2362 2363 2366 2367) | |
| Barremian | Spain (Granada) | H. caillaudinatus (2286) H. diversecostatus (2283 2284 2285 2288 2290 2291 2293 2294 2295) H. diversecostatus, H. caillaudianus (2289 2292) H. fallax, H. nicklesi (2279) | |
| Barremian | Colombia | H. camelinus (83890) | |
| Barremian | Austria | H. sp. (169049) | |
| Barremian | France (Provence) | H. caillaudi, H. perezi, H. diversecostatus (56065) H. cardonae, H. fallax (56057) H. perezi, H. gastaldi, H. fallax, H. cailaudi, H. diversecostatus, H. geronimae (56782) | |
| Barremian | Georgia | H. caillaudi, H. gastaldi (2115) | |
| Early/Lower Barremian | France (Drôme) | H. sp., H. perezianus (157590) | |
| Early/Lower Barremian | Slovakia | H. decorus (69129) | |
| Early/Lower Barremian | Bulgaria | H. caseyi (161856) | |
| Early/Lower Barremian | Morocco | H. caillaudianus (82306 82323) H. diversecostatus (82324) H. metamorphicus, H. menglonensis, H. geronimae (240072) H. sp., H. metamorphicus, H. menglonensis, H. geronimae, H. sophonisba (240075) | |
| Late/Upper Barremian | Italy | H. vandenheckei (71828) | |
| Late/Upper Barremian | France (Drôme) | H. caillaudianus (75576) | |
| Coniacian - Santonian | Chile | H. hauthali (83689) | |
| Coniacian - Santonian | Argentina | H. tenuistriatus (83691) |