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Portlandia
Taxonomy
Portlandia was named by Mörch (1857) [Sepkoski's age data: K Sant R Sepkoski's reference number: 159]. It is extant. Its type is Arca glacialis.
It was reranked as Nuculana (Portlandia) by Marwick (1942); it was reranked as Yoldia (Portlandia) by Richards (1962).
It was assigned to Nuculana by Marwick (1942); to Yoldia by Richards (1962); to Nuculanidae by Woodring (1973), Hayami (1975), Moore (1983), Moore (1984), Wienrich (1999); to Yoldiinae by Coan et al. (2000); and to Nuculoida by Sepkoski (2002).
It was reranked as Nuculana (Portlandia) by Marwick (1942); it was reranked as Yoldia (Portlandia) by Richards (1962).
It was assigned to Nuculana by Marwick (1942); to Yoldia by Richards (1962); to Nuculanidae by Woodring (1973), Hayami (1975), Moore (1983), Moore (1984), Wienrich (1999); to Yoldiinae by Coan et al. (2000); and to Nuculoida by Sepkoski (2002).
Species
Species lacking formal opinion data
P. carolimartini, P. clara, P. cuneistriata, P. curvirostris, P. daria, P. deshayesiana, P. dvalii, P. furcata, P. gratiosa, P. hayasakai, P. hayasakai, P. iwatensis, P. izumensis, P. japonica, P. lenticula, P. lischkei, P. obliquistriata, P. ogasawarai, P. ovata, P. pygmaea, P. pygmaea, P. sanchuensis, P. sphaerica, P. thraciaeformis, P. toyamaensis, P. watasei, P. watasei, P. watasei, P. watasei, Yoldia siliqua
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Portlandia Mörch p. 115 |
| 1942 | Nuculana (Portlandia) Marwick p. 268 |
| 1962 | Yoldia (Portlandia) Richards p. 52 |
| 1973 | Portlandia Woodring p. 495 |
| 1975 | Portlandia Hayami |
| 1983 | Portlandia Moore p. A29 |
| 1984 | Portlandia Moore p. 25 |
| 1999 | Portlandia Wienrich p. 209 |
| 2000 | Portlandia Coan et al. pp. 109, 115 |
| 2002 | Portlandia Sepkoski |
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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. Portlandia Mörch 1857
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Subg. †Portlandia (Portlandia) Mörch 1857
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†Portlandia (Portlandia) markleyensis Clark 1938
†Portlandia (Portlandia) mortuasusensis Clark and Woodford 1927
†Portlandia (Portlandia) mosesi Palmer 1923
†Portlandia (Portlandia) packardi Clark 1918
†Portlandia chehalisensis Arnold 1908
Portlandia glacialis Wood 1828
Portlandia impressa Perri 1975
†Portlandia kakimii Uozumi 1957
†Portlandia laudabilis Yokoyama 1924
†Portlandia rosa Hanna 1927
Yoldia (Portlandia) cooperii Gabb 1865 [Cooper's yoldia]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Barremian to the top of the Holocene or 125.77000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 121.4 Ma
Minimum age of oldest fossil (stem group age): 121.4 Ma
Collections (169 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Barremian | China | P. sanchuensis (50896) | |
| Barremian - Aptian | Japan (Kagoshima) | P. sanchuensis (142514) | |
| Aptian | Japan | P. sanchuensis (69057) | |
| Santonian - Campanian | Japan (Kagoshima) | P. obliquistriata (40507) | |
| Campanian | Japan (Osaka, Wakayama) | P. furcata, P. izumensis (39905) | |
| Campanian | Japan (Hyogo) | P. izumensis (39575) | |
| Ypresian | USA (California) | Nuculana rosa (238131) Yoldia mortuasusensis (52428) Yoldia mosesi (201621) | |
| Lutetian | USA (California) | P. rosa (200717 200767) | |
| Middle Eocene | Japan | P. sp. (71014) | |
| Middle Eocene | Japan (Hokkaido) | P. watasei, P. sp. (103769) | |
| Middle Eocene | USA (California) | Yoldia markleyensis (191188) | |
| Bartonian | Japan | P. ogasawarai (70903) | |
| Late/Upper Eocene | USA (California) | Yoldia cooperi (71161 71162 71164 71166 71167 71168 71169 71170 71171 71173 71174 71182) | |
| Late/Upper Eocene | Japan | P. ovata, P. watasei (71043) P. watasei (71009 71010 71038 71040) | |
| Priabonian | USA (California) | Yoldia packardi (52622 52626) | |
| Priabonian | USA (Oregon) | P. chehalisensis (38944 39024 39035 233549) Yoldia chehalisensis (126108) | |
| Early/Lower Oligocene | USA (California) | Yoldia cooperi (71187 71188 71192 71195) | |
| Early/Lower Oligocene | Japan | P. watasei (70744 70757) P. watasei, Yoldia laudabilis (68894) | |
| Rupelian | Germany (Baden-Württemberg) | P. deshayesiana (68021) | |
| Rupelian | Russian Federation | P. dvalii (49975) | |
| Rupelian | Netherlands | P. sphaerica (87249) | |
| Rupelian | Japan (Saga) | P. sp. (204551) | |
| Oligocene | USA (Washington) | Malletia chehalisensis (239318 241789) | |
| Chattian | USA (Washington) | P. chehalisensis (91623) P. sp. (221302 221304) Yoldia chehalisensis (52356 208161) Yoldia chehalisensis, Yoldia packardi (52362) Yoldia packardi (52357) | |
| Chattian | Canada (British Columbia) | Yoldia cooperii (206743) | |
| Chattian | USA (California) | Yoldia cooperi (11601) | |
| Late/Upper Oligocene | Japan (Yamaguchi) | P. sp. (51449) | |
| Late/Upper Oligocene | USA (Alaska) | P. ovata (44086) | |
| Late/Upper Oligocene | Japan | P. watasei (70600 70604 70605 70608 70609 70610 70612 70613 70614 70615 70616) | |
| Early/Lower Miocene | India | P. sp. (78641) | |
| Early/Lower Miocene | USA (Washington) | Malletia chehalisensis (241805) | |
| Early/Lower Miocene | Japan | P. hayasakai (70595 173022 173023) P. hayasakai, P. sp. (70596) | |
| Miocene | Japan (Hokkaido) | P. kakimii (171580) | |
| Burdigalian | Chile | P. sp. (78524) | |
| Burdigalian - Langhian | USA (Oregon) | Yoldia cooperi (39592) | |
| Langhian | Japan | P. iwatensis (44960) | |
| Middle Miocene | Japan | P. hayasakai (70597) | |
| Serravallian | Japan | P. gratiosa (44962) | |
| Late/Upper Miocene | Indonesia (Borneo) | P. carolimartini (42311) | |
| Early/Lower Pliocene | Japan | P. hayasakai (70598) | |
| Early/Lower Pliocene | Japan (Fukushima) | P. thraciaeformis (62296) | |
| Late/Upper Pliocene | Japan (Fukushima) | P. thraciaeformis (62295) | |
| Late/Upper Pliocene | Jamaica | P. clara (69092 69093) P. daria (69094) | |
| Early/Lower Pleistocene | Greenland | P. arctica (75091 75092 75099 75101 75103) | |
| Early/Lower Pleistocene | Japan (Yamaguchi) | P. sp. (62298) | |
| Pleistocene | Canada (Quebec) | P. arctica (65233 65339) | |
| Pleistocene | Canada (Ontario) | P. arctica (65217 65253 65331 65336 65476 65826 65894 66093 66124) | |
| Quaternary | Greenland (Svartenhuk) | P. arctica (226637) | |
| Calabrian | Italy | P. impressa (77008) | |
| Middle Pleistocene | Greenland | P. arctica (75197 75200) | |
| Middle Pleistocene (late glacial) | Canada (New Brunswick) | P. arctica (210895) | |
| Late/Upper Pleistocene | Canada (Newfoundland) | Yoldia glacialis (70839) | |
| Late/Upper Pleistocene | Canada (Nova Scotia) | P. arctica (75074) | |
| Late/Upper Pleistocene | Greenland (Disko Island) | P. arctica (227044) | |
| Late/Upper Pleistocene | USA (California) | Yoldia cooperi (96566) | |
| Late/Upper Pleistocene | USA (Vermont) | Yoldia glacialis (66365 66368 66372) | |
| Late/Upper Pleistocene | USA (Maine) | P. arctica (75073 80131) Yoldia glacialis (66337 66338 66339 66340 66344 66348 66349 66351 66352 66353 66355 66356 66357) | |
| Late/Upper Pleistocene | Canada (New Brunswick) | P. arctica (75072) | |
| Late/Upper Pleistocene | Greenland | P. arctica (75121 75127 75130 75132 75133 75135 75175) P. lenticula (227028 227030) | |
| Late/Upper Pleistocene | Poland | P. arctica (64121 64122 64123) | |
| Late/Upper Pleistocene | Canada (Quebec) | Yoldia siliqua (51019) | |
| Holocene | Canada (Nunavut) | P. arctica (48463 48464 48465 74986 74988 74990) | |
| Holocene | Canada (New Brunswick) | Yoldia glacialis (66530 66531 66532) | |
| Holocene | Greenland | P. arctica (75202 75204 75205 75207 75209 75213 75220) | |
| Holocene | Canada (Newfoundland and Labrador) | Yoldia glacialis (66444 66482) |