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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cornuodus
Taxonomy
Cornuodus is a genus. It is not extant.
It was assigned to Strachanognathidae by Dzik (1994); to Cornuodontidae by Stouge (1984) and Pyle and Barnes (2002); and to Conodontophorida by Sepkoski (2002).
It was assigned to Strachanognathidae by Dzik (1994); to Cornuodontidae by Stouge (1984) and Pyle and Barnes (2002); and to Conodontophorida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Cornuodus Stouge p. 59 |
| 1994 | Cornuodus Dzik pp. 60 - 61 |
| 2002 | Cornuodus Pyle and Barnes p. 60 |
| 2002 | Cornuodus 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Dzik 1994 | Elements of the apparatus with deep, conical basal cavities, bases of oval cross section, cusps bent knee-like. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Dawan to the top of the Late/Upper Ordovician or 478.60000 to 443.80000 Ma
Collections (102 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | China (Hubei) | C. sp. (4727) | |
| Tremadocian | Canada (Ontario) | Drepanodus longibasis (173864 173865) | |
| Tremadocian | Russian Federation (Siberia) | C. longibasis (205632) | |
| Tremadocian | Canada (Newfoundland and Labrador) | C. longibasis (234142) | |
| Early/Lower Ordovician | Canada (British Columbia) | C. longibasis (177727) | |
| Dawan | China (JiangSu) | C. sp. (7923) | |
| Arenig | China (HeBei) | C. sp. (7963) | |
| Arenig | China (Hubei) | C. sp. (4709 4715 4717 4719 4720 4721 4723 4724 4726) | |
| Arenig | Argentina | C. sp. (8744 8751) | |
| Floian | China (Anhui) | C. longibasis (203682 203684 203686 203690 203692) | |
| Floian | Russian Federation | C. longibasis (61782 61783 61785 61787 61788 61789 61790) | |
| Billingen | Estonia (Harju) | C. longibasis (203640 203641 203642) | |
| Volkhov | Russian Federation | C. longibasis (61779 61780 61797 61798) | |
| Volkhov | Estonia (Harju) | C. longibasis (203618 203621 203634 203635 203636 203637 203638 203639) | |
| Volkhov | Sweden (Kalmar) | C. longibasis (99481) | |
| Dapingian | China (Anhui) | C. longibasis (203673 203676) | |
| Dapingian | Canada (Newfoundland) | C. longibasis (210461 210462) | |
| Early/Lower Llanvirn | China (Hubei) | C. sp. (4713) | |
| Darriwilian | Argentina | C. longibasis (210374 210376 210377 210378 210388 210390 210391 210392 210416 210420 210451 210453 210460) | |
| Darriwilian | Canada (Newfoundland) | C. longibasis (210488) | |
| Darriwilian | New Zealand | C. longibasis (210505 210509) | |
| Darriwilian | Canada (British Columbia) | C. longibasis (177960) | |
| Darriwilian | China (Anhui) | C. longibasis (203671 203672) | |
| Aluoja - Aseri | Sweden | C. longibasis (210644 210645 210646 210647 210650 210651 210652) | |
| Soudleyan - Marshbrookian | China (Hubei) | C. sp. (4691) | |
| Caradoc | Thailand | C. longibasis (142392 142403) | |
| Late/Upper Ordovician | Malaysia | C. longibasis (186207 186219) | |
| Late/Upper Ordovician | Austria | C. longibasis (187796 187797) | |
| Maysvillian - Richmondian | USA (Nevada) | C. sp. (10667) | |
| Vormsi - Porkuni | Poland (Sandomierz) | C. longibasis (212365 212366 212367 212401 212402 212403 212408 212411 212417 212424) | |
| Kralodvorian | Italy (Sardinia) | C. bergstroemi (192914) | |
| Ashgill | Austria | C. longibasis (231709 231710) C. sp. (231711) | |
| Cautleyan | Ireland (Leinster) | C. sp. (89130) | |
| Hirnantian | Germany | C. longibasis (210975) |