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Piloceratidae
Taxonomy
Piloceratidae was named by Miller (1889).
It was assigned to Endoceratina by Flower (1958); to Endocerida by Crick (1981), Kröger and Landing (2009), Evans (2011); and to Bisonocerida by Evans and King (2012).
It was assigned to Endoceratina by Flower (1958); to Endocerida by Crick (1981), Kröger and Landing (2009), Evans (2011); and to Bisonocerida by Evans and King (2012).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Piloceratidae Miller |
| 1958 | Piloceratidae Flower |
| 1981 | Piloceratidae Crick p. 226 |
| 2009 | Piloceratidae Kröger and Landing p. 171 |
| 2011 | Piloceratidae Evans |
| 2012 | Piloceratidae Evans and King |
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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.
Fm. †Piloceratidae Miller 1889
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G. †Allopiloceras Ulrich and Foerste 1936
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†Allopiloceras affine Ulrich et al. 1943
†Allopiloceras baylorense Ulrich et al. 1943
†Allopiloceras bealachense Evans 2011
†Allopiloceras breve Ulrich et al. 1943
†Allopiloceras canadense Billings 1860
†Allopiloceras coarctum Foerste 1938
†Allopiloceras compressum Ulrich et al. 1943
†Allopiloceras erectum Ulrich et al. 1943
†Allopiloceras lonachonense Evans 2011
†Allopiloceras sevierense Ulrich et al. 1943
†Allopiloceras subrectum Ulrich et al. 1943
†Allopiloceras subunguliforme Ulrich et al. 1943
†Allopiloceras tennesseense Ulrich and Foerste 1936
†Allopiloceras unguliforme Ulrich et al. 1943
G. †Cassinoceras Ulrich and Foerste 1936
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†Cassinoceras amplum Dawson 1881
†Cassinoceras magister Foerste 1938
†Cassinoceras triton Billings 1865
†Cassinoceras wortheni Billings 1865
G. †Expandocassinoceras Evans 2011
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†Expandocassinoceras arkansasense Ulrich et al. 1943
†Expandocassinoceras grande Ulrich and Foerste 1943
G. †Penhsioceras Endo 1932
G. †Piloceras Salter 1859
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†Piloceras acinaces Ulrich and Foerste 1938
†Piloceras gracile Billings 1865
†Piloceras invaginatum Salter in Murchison 1859
†Piloceras saffordi Ulrich et al. 1943
G. †Subpenhsioceras Shimizu and Obata 1936
G. †Utoceras Ulrich et al. 1943
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†Utoceras coloradense Ulrich et al. 1943
†Utoceras gleneyriense Ulrich et al. 1943
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (55 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | USA (Texas) | Allopiloceras baylorense (189227) Piloceras sp. (189131) | |
| Tremadocian | USA (Tennessee) | Allopiloceras breve (189226) | |
| Early/Lower Ordovician | Svalbard and Jan Mayen | Cassinoceras sp. (212929) Piloceratidae indet. (212927) | |
| Early/Lower Ordovician | USA (Texas) | Allopiloceras sp. (293) Piloceras sp. (283) | |
| Jeffersonian | USA (Oklahoma) | Allopiloceras subrectum (100043) | |
| Jeffersonian | Canada (Newfoundland) | Cassinoceras wortheni (195785) | |
| Tremadocian - Floian | United Kingdom (Scotland) | Piloceras invaginatum (189124) | |
| Tremadocian - Floian | Canada (Newfoundland and Labrador) | Allopiloceras gracile, Cassinoceras grande, Cassinoceras wortheni, Cassinoceras triton (98440) Cassinoceras triton (189276) | |
| Jeffersonian - Rangerian | Canada (Quebec) | Cassinoceras wortheni, Allopiloceras canadense, Allopiloceras coarctum, Cassinoceras magister (99217) Piloceras acinaces (189127) | |
| Canadian | Canada (Quebec) | Cassinoceras amplum (189295) | |
| Tremadoc | China (Hebei) | Piloceras platyventrum (222590) | |
| Cassinian | USA (New York) | Cassinoceras explanator, Cassinoceras grande (90082) Piloceras explanator (42798) | |
| Cassinian | USA (Vermont) | Piloceras explanator, Cassinoceras explanator, Cassinoceras grande (42793) | |
| Cassinian | Canada (Newfoundland and Labrador) | Cassinoceras wortheni (69196 133128 133134 189277) | |
| Tulean - Blackhillsian | United Kingdom (Scotland) | Allopiloceras lonachonense (188733) Augeoceras gracile (188734) Cassinoceras wortheni (188701) Cassinoceras wortheni, Allopiloceras bealachense (188714) Cassinoceras wortheni, Allopiloceras bealachense, Augeoceras gracile (188715) Cassinoceras wortheni, Allopiloceras bealachense, Expandocassinoceras grande (188699) Expandocassinoceras grande (188711) | |
| Tulean - Blackhillsian | Canada (Newfoundland and Labrador) | Cassinoceras wortheni (196381) | |
| Tulean - Blackhillsian | Canada (Newfoundland) | Piloceras sp. (195779) | |
| Floian | USA (Virginia) | Cassinoceras sp. (189278) | |
| Floian | China (Manchuria) | Liaotungoceras manchuriense (189282 189283) | |
| Floian | USA (New York) | Cassinoceras grande (189274 189275) | |
| Floian | USA (Tennessee) | Allopiloceras affine, Allopiloceras sevierense (189133) Allopiloceras tennesseense, Allopiloceras compressum, Allopiloceras erectum, Allopiloceras sevierense, Allopiloceras subrectum, Allopiloceras subunguliforme, Allopiloceras unguliforme (189132) Piloceras saffordi (189129) Piloceras saffordi, Allopiloceras subrectum (189130) | |
| Floian | United Kingdom (Scotland) | Piloceras invaginatum (189123) | |
| Floian | China (Liaoning) | Penhsioceras fusiforme, Piloceras manchuriense (155020) | |
| Floian | USA (Arkansas) | Cassinoceras arkansasense (189296) | |
| Floian | Canada (Newfoundland) | Cassinoceras wortheni (195746) | |
| Arenig | China (LiaoNing) | Piloceras sp. (20756) | |
| Arenig | China (HeBei) | Penhsioceras sp. (7957) Piloceras sp. (7980) | |
| Arenig - Early/Lower Llanvirn | Argentina | Piloceras sp. (8720) | |
| Dapingian | USA (Colorado) | Utoceras coloradense (189228) Utoceras gleneyriense (189286) Utoceras sp. (189279) | |
| Middle Ordovician | Norway | Piloceras explanator (154903) | |
| Darriwilian | Australia (Tasmania) | Piloceras sp. (2674) | |
| Late/Upper Ordovician | USA (Colorado) | Utoceras leuromurale, Utoceras gleneyriense (216974) |