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Droltus hecatensis
Taxonomy
Droltus hecatensis was named by Pessagno and Whalen (1982). Its type specimen is USNM 307194 and is a 3D body fossil. Its type locality is Queen Charlotte Islands, B.C., Maude Formation (Locality 534), which is in a Pliensbachian marine lime mudstone in the Maude Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Droltus hecatensis Pessagno and Whalen |
| 1982 | Droltus hecatensis Pessagno, Jr. and Whalen p. 121 figs. Pl. 1, figs. 12, 13, 18, 22; Pl. 4, figs. 1, 2, 6, 10; Pl. 12, figs. 18-19 |
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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.
†Droltus hecatensis Pessagno, Jr. and Whalen 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Sinemurian to the top of the Early/Lower Pliensbachian or 199.30000 to 183.00000 Ma
Collections (59 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hettangian | Canada (British Columbia) | Droltus hecatensis (94279 94290 94388 94390 97486 97487 97494 97495 97496 97498) | |
| Early/Lower Hettangian - Middle Hettangian | Canada (British Columbia) | Droltus hecatensis (94280 94281 94392) | |
| Late/Upper Hettangian | Canada (British Columbia) | Droltus hecatensis (34142 34144 94293 94294 94295 94297 94298 94374 94375) | |
| Middle Hettangian - Late/Upper Hettangian | Canada (British Columbia) | Droltus hecatensis (94283 94285 94287 94288) | |
| Hettangian - Sinemurian | Canada (British Columbia) | Droltus hecatensis (34147) | |
| Late/Upper Hettangian - Early/Lower Sinemurian | Canada (British Columbia) | Droltus hecatensis (94300 94301) | |
| Late/Upper Hettangian - Early/Lower Sinemurian | Peru (Amazonas) | Droltus hecatensis (94849) | |
| Sinemurian | Turkey | Droltus hecatensis (33679 33680 33681 33682) | |
| Early/Lower Sinemurian | Canada (British Columbia) | Droltus hecatensis (94379 94380) | |
| Late/Upper Sinemurian | Canada (British Columbia) | Droltus hecatensis (94344 94346 94347 94348 94350 94353 94354 94360 94363 94364 94381 94382 94383 94384 94385 94413 94420 94423) | |
| Early/Lower Pliensbachian | Canada (British Columbia) | Droltus hecatensis (type locality: 32726 32749 32751 127233) | |
| Early/Lower Pliensbachian | Argentina | Droltus hecatensis (119950) |