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Cornuodontidae
Taxonomy
Cornuodontidae was named by Stouge (1984). It is not extant.
It was synonymized subjectively with Strachanognathidae by Dzik (1994).
It was assigned to Panderodontacea by Stouge (1984); and to Protopanderodontida by Pyle and Barnes (2002).
It was synonymized subjectively with Strachanognathidae by Dzik (1994).
It was assigned to Panderodontacea by Stouge (1984); and to Protopanderodontida by Pyle and Barnes (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Cornuodontidae Stouge p. 59 |
| 2002 | Cornuodontidae Pyle and Barnes p. 60 |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. S. Stouge 1984 | Simple conodonts with relatively long and/or high bases and deep basal cavities. Longitudinal s triations , if present, are inconspicuous in early genera and increase in distinctiveness during evolu tion. Some forms have longitudinal costa. Some forms have denticles posteriorly on the base. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Aberhan 1992, Carroll 1988 | |||||
Age range: base of the Stairsian to the top of the Hirnantian or 483.40000 to 443.10000 Ma
Collections (104 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Canada (Ontario) | Drepanodus longibasis (173864 173865) | |
| Tremadocian | Canada (Newfoundland and Labrador) | Cornuodus longibasis (234142) Macerodus sp., Macerodus dianae (234138) | |
| Tremadocian | Russian Federation (Siberia) | Cornuodus longibasis (205632) | |
| Early/Lower Ordovician | Canada (British Columbia) | Cornuodus longibasis (177727) | |
| Tremadoc | China (Hubei) | Cornuodus sp. (4727) | |
| Stairsian | USA (Colorado) | Macerodus dianae (204048) | |
| Dawan | China (JiangSu) | Cornuodus sp. (7923) | |
| Floian | China (Anhui) | Cornuodus longibasis (203682 203684 203686 203690 203692) | |
| Floian | Russian Federation | Cornuodus longibasis (61782 61783 61785 61787 61788 61789 61790) | |
| Arenig | China (HeBei) | Cornuodus sp. (7963) | |
| Arenig | China (Hubei) | Cornuodus sp. (4709 4715 4717 4719 4720 4721 4723 4724 4726) | |
| Arenig | Argentina | Cornuodus sp. (8744 8751) | |
| Billingen | Estonia (Harju) | Cornuodus longibasis (203640 203641 203642) | |
| Dapingian | China (Anhui) | Cornuodus longibasis (203673 203676) | |
| Dapingian | Canada (Newfoundland) | Cornuodus longibasis (210461 210462) | |
| Volkhov | Estonia (Harju) | Cornuodus longibasis (203618 203621 203634 203635 203636 203637 203638 203639) | |
| Volkhov | Russian Federation | Cornuodus longibasis (61779 61780 61797 61798) | |
| Volkhov | Sweden (Kalmar) | Cornuodus longibasis (99481) | |
| Darriwilian | Argentina | Cornuodus longibasis (210374 210376 210377 210378 210388 210390 210391 210392 210416 210420 210451 210453 210460) | |
| Darriwilian | China (Anhui) | Cornuodus longibasis (203671 203672) | |
| Darriwilian | New Zealand | Cornuodus longibasis (210505 210509) | |
| Darriwilian | Canada (British Columbia) | Cornuodus longibasis (177960) | |
| Darriwilian | Canada (Newfoundland) | Cornuodus longibasis (210488) | |
| Early/Lower Llanvirn | China (Hubei) | Cornuodus sp. (4713) | |
| Aluoja - Aseri | Sweden | Cornuodus longibasis (210644 210645 210646 210647 210650 210651 210652) | |
| Soudleyan - Marshbrookian | China (Hubei) | Cornuodus sp. (4691) | |
| Caradoc | Thailand | Cornuodus longibasis (142392 142403) | |
| Late/Upper Ordovician | Malaysia | Cornuodus longibasis (186207 186219) | |
| Late/Upper Ordovician | Austria | Cornuodus longibasis (187796 187797) | |
| Maysvillian - Richmondian | USA (Nevada) | Cornuodus sp. (10667) | |
| Kralodvorian | Italy (Sardinia) | Cornuodus bergstroemi (192914) | |
| Vormsi - Porkuni | Poland (Sandomierz) | Cornuodus longibasis (212365 212366 212367 212401 212402 212403 212408 212411 212417 212424) | |
| Ashgill | Austria | Cornuodus longibasis (231709 231710) Cornuodus sp. (231711) | |
| Cautleyan | Ireland (Leinster) | Cornuodus sp. (89130) | |
| Hirnantian | Germany | Cornuodus longibasis (210975) |