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Dictyocha
Taxonomy
Dictyocha was named by Ehrenberg (1837). It is extant.
It was assigned to Cannorhaphida by Martin (1904); and to Dictyochaceae by Lemmermann (1901), Abbott and Ernissee (1983), Chrétiennot-Dinet et al. (1993).
It was assigned to Cannorhaphida by Martin (1904); and to Dictyochaceae by Lemmermann (1901), Abbott and Ernissee (1983), Chrétiennot-Dinet et al. (1993).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1837 | Dictyocha Ehrenberg p. 61 |
| 1901 | Dictyocha Lemmermann p. 92 |
| 1904 | Dictyocha Martin p. 447 |
| 1983 | Dictyocha Abbott and Ernissee p. 305 |
| 1993 | Dictyocha Chrétiennot-Dinet et al. p. 163 |
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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. Dictyocha Ehrenberg 1837
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†Dictyocha byronalis Barron et al. 1984
Dictyocha deflandrei Frenguelli 1940
†Dictyocha fibula Ehrenberg 1838
Dictyocha frenguellii Deflandre 1950
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Reference: Kiessling 2004 | |||||
Age range
Maximum range based only on fossils: base of the Paleocene to the top of the Pleistocene or 66.00000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Minimum age of oldest fossil (stem group age): 56.0 Ma
Collections (104 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Paleocene | Antarctica | D. navicula, D. staurodon (57542) | |
| Lutetian - Bartonian | USA (California) | D. byronalis (201733) | |
| Early/Lower Oligocene | Southern Ocean | D. deflandrei (243718) | |
| Oligocene | Southern Ocean | D. frenguellii (243210) | |
| Early/Lower Miocene | North Pacific | D. fibula (261368) D. pulchella (261363 261367) | |
| Aquitanian - Langhian | USA (North Carolina) | D. fibua, D. rhombica, D. a, D. b (48887) | |
| Early/Lower Miocene - Middle Miocene | North Pacific | D. fibula (261361) D. pulchella (261360) | |
| Langhian | Mexico (Baja California) | D. fibula (52183) | |
| Middle Miocene | North Pacific | D. fibula (261353) D. pulchella (261337 261338 261339 261340 261341 261345 261346 261354 261356 261357 261358 261359) D. pulchella, D. fibula (261343 261355) | |
| Middle Miocene - Late/Upper Miocene | North Pacific | D. pulchella (261334) | |
| Late/Upper Miocene | North Pacific | D. fibula (261300 261305 261308 261314 261317 261320 261323) D. pulchella (261295 261297 261298 261303 261304 261306 261307 261312 261313 261315 261318 261321 261322 261324 261325 261327 261328 261331 261332) D. pulchella, D. fibula (261299 261316 261333) | |
| Late/Upper Miocene - Pliocene | North Pacific | D. fibula (261293) D. pulchella (261292 261294) | |
| Pliocene | North Pacific | D. fibula (261281 261282 261287) D. pulchella (261280 261283 261286 261289) | |
| Pliocene - Pleistocene | North Pacific | D. fibula (261277 261278) D. pulchella, D. fibula (261276) | |
| Gelasian | North Pacific | D. subarctios (270611) | |
| Pleistocene | North Pacific | D. fibula (261270 261272 261273 261275) D. subarctios (269378 272402 272404) | |
| Pleistocene | Southern Ocean | D. spp. (247594) | |
| Calabrian | North Pacific | D. mandrai, D. subarctios (270601) D. subarctios (270064 270069 270070 270071 270073 270074 270324 270326 270472 270473 270474 270487 270598 270599 270600 270602 270604 271887 271888 271956 271958) D. subarctios, D. mandrai (270483 270484) | |
| C1r.2r | North Pacific | D. subarctios (270331) | |
| NN21 | Indian Ocean | D. spp. (256504) |