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Paosia
Taxonomy
Paosia was named by Böhm (1895) [m. kosnik taxon no: 9841].
It was assigned to Pseudomelaniidae by Kabat (1991), Squires and Saul (2004), Cataldo (2017).
It was assigned to Pseudomelaniidae by Kabat (1991), Squires and Saul (2004), Cataldo (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Paosia Böhm |
| 1991 | Paosia Kabat p. 434 |
| 2004 | Paosia Squires and Saul p. 489 |
| 2017 | Paosia Cataldo p. 424 |
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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. †Paosia Böhm 1895
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†Paosia acuminata Anderson 1958
†Paosia californica Gabb 1864
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Invalid names: Acteonina bellavistana Anderson 1958 [synonym], Acteonina berryessensis Anderson 1958 [synonym], Acteonina roguensis Anderson 1958 [synonym], Acteonina yrekensis Anderson 1958 [synonym]
†Paosia colusaensis Anderson 1958
†Paosia pentzensis Squires and Saul 2004
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2004 | ongate-conical (juveniles more ovate); spire high or low; whorls smooth (rarely with spiral grooves) and over lapping slightly; outer lip projected and incurved anteriorly; col umella smooth and usually callused; growth lines sinuous. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Hauterivian to the top of the Middle Campanian or 132.60000 to 72.20000 Ma
Collections (51 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hauterivian | Argentina (Neuquen) | P. sp. (50187) | |
| Hauterivian | Argentina (Mendoza) | P. sp. (232193) | |
| Late/Upper Hauterivian | Argentina (Mendoza) | P. sp. (135488) | |
| Late/Upper Hauterivian | Argentina (Neuquen) | P. sp. (135518) | |
| Barremian | Argentina | P. sp. (114202) | |
| Early/Lower Albian | USA (California) | Trajanella acuminata (176021) | |
| Late/Upper Albian | USA (California) | Trajanella californica (1784) | |
| Cenomanian | USA (California) | Acteonina californica (167601) Acteonina colusaensis (69609) P. colusaensis (69622) Trajanella californica (220368 220369) | |
| Early/Lower Cenomanian | USA (California) | Trajanella californica (1803) Trajanella californica, P. colusaensis (1791) | |
| Early/Lower Turonian | Canada (British Columbia) | P. californica (210491 210511) | |
| Late/Upper Turonian | USA (Oregon) | Acteonina roguensis (86813) | |
| Late/Upper Turonian | USA (California) | Acteonina roguensis, Oonia californica (215288) Acteonina yrekensis (158106) Oonia californica (215570 222119) | |
| Middle Turonian | USA (California) | Acteonina berryessensis, Oonia californica (86782) Acteonina californica (44212) | |
| Turonian | USA (California) | Acteonina bellavistana (44213) Acteonina berryessensis (219090) Acteonina californica (44202 176026) Acteonina yrekensis, Oonia californica (86784) Oonia californica (220340 220360 222100 222102 222114) P. californica (220362 220364 220365 220367) | |
| Coniacian | USA (California) | Acteonina ursula, Acteonina ursulagorda (86858) P. ursula (72037 86783) | |
| Late/Upper Coniacian | USA (California) | P. ursula (215311 220361 220363) | |
| Early/Lower Santonian | USA (California) | P. sp. (86956 207437) | |
| Late/Upper Santonian | Canada (British Columbia) | P. pentzensis (210558) | |
| Early/Lower Campanian | USA (California) | P. pentzensis (3885 176365 220366) | |
| Early/Lower Campanian | Canada (British Columbia) | P. pentzensis (119447) | |
| Middle Campanian | USA (California) | P. pentzensis (176363) |