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Streptognathodus
Taxonomy
Streptognathodus is a genus. It is not extant.
It was assigned to Polygnathidae by Gunnell (1933); to Conodontophorida by Sepkoski (2002); and to Idiognathodontidae by Wardlaw et al. (2015).
It was assigned to Polygnathidae by Gunnell (1933); to Conodontophorida by Sepkoski (2002); and to Idiognathodontidae by Wardlaw et al. (2015).
Species
S. acuminatus, S. chanutensis, S. clarki, S. clavatulus, S. corrugatus, S. curvatus, S. elongatus, S. farmeri, S. flangulatus, S. holmesi, S. minutus, S. multinodosus, S. rugosus, S. ruidus, S. simplex, S. spatulatus, S. strigillatus, S. subdivisus, S. sulcatus, S. sulciferus, S. wabaunsensis, S. walteri
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Streptognathodus Gunnell p. 269 |
| 2002 | Streptognathodus Sepkoski |
| 2015 | Streptognathodus Wardlaw et al. p. 380 |
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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. †Streptognathodus
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†Streptognathodus acuminatus Gunnell 1933
†Streptognathodus chanutensis Gunnell 1933
†Streptognathodus clarki Gunnell 1933
†Streptognathodus clavatulus Gunnell 1933
†Streptognathodus corrugatus Gunnell 1933
†Streptognathodus curvatus Gunnell 1933
†Streptognathodus elongatus Gunnell 1933
†Streptognathodus farmeri Gunnell 1933
†Streptognathodus flangulatus Gunnell 1933
†Streptognathodus holmesi Gunnell 1933
†Streptognathodus minutus Gunnell 1933
†Streptognathodus multinodosus Gunnell 1933
†Streptognathodus rugosus Gunnell 1933
†Streptognathodus ruidus Gunnell 1933
†Streptognathodus simplex Gunnell 1933
†Streptognathodus spatulatus Gunnell 1933
†Streptognathodus strigillatus Gunnell 1933
†Streptognathodus subdivisus Gunnell 1933
†Streptognathodus sulcatus Gunnell 1933
†Streptognathodus sulciferus Gunnell 1933
†Streptognathodus wabaunsensis Gunnell 1933
†Streptognathodus walteri Gunnell 1933
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Chesterian to the top of the Wordian or 335.50000 to 264.28000 Ma
Collections (45 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Mississippian | USA (Iowa) | S. sp. (211320) | |
| Carboniferous - Triassic | Greece (Crete) | S. elegantulus, S. gracilis, S. ruzhencevi, S. sp. (222771) | |
| Chesterian | USA (Nevada) | S. unicornis (77065) | |
| Chesterian | USA (Oklahoma) | S. primus (584) | |
| Morrowan | Brazil (Para) | S. oppletus, S. parvus (52894) | |
| Morrowan | USA (Wyoming) | S. parvus (5731 5732) | |
| Pennsylvanian | USA (New Mexico) | S. cancellosus, S. elegantulus, S. simulator, S. tenuis (217069) | |
| Moscovian | Ukraine | S. transitivus (216039 216040) | |
| Kashirian | Ukraine | S. transitivus (216033) | |
| Desmoinesian | USA (Iowa) | S. delicatulus, S. symmetricus (119408) | |
| Desmoinesian | USA (Oklahoma) | S. sp. (8635 8646) | |
| Kasimovian | USA (Missouri) | S. clavatulus (132616) S. curvatus, S. strigillatus, S. clarki (132614) S. holmesi, S. sulcatus, S. multinodosus, S. sulciferus, S. corrugatus, S. spatulatus (132626) S. minutus, S. chanutensis (132613) S. rugosus (132628) S. ruidus (132630) S. subdivisus (132629) | |
| Late/Upper Pennsylvanian | Mexico (Puebla) | S. bellus (91003) | |
| Missourian | Mexico (Puebla) | S. bellus (91004) | |
| Gzhelian | Russian Federation | S. pawhuskaensis (196390) | |
| Gzhelian | USA (Kansas) | S. elongatus, S. walteri, S. wabaunsensis, S. acuminatus, S. farmeri, S. flangulatus, S. simplex (132617) | |
| Gzhelian | South Korea | S. elongatus (194358) S. variabilis, S. limulus (194359) | |
| Virgilian | USA (Kansas) | S. pawhuskaensis, S. zethus (44351) | |
| Virgilian | USA (Nebraska) | S. sp. (94391) | |
| Virgilian | USA (New Mexico) | S. sp. (49709 217067) | |
| Asselian | Russian Federation | S. lanceatus, S. constrictus (196391) | |
| Asselian | South Korea | S. bipartitus, S. isolatus, S. elongatus (194363) S. constrictus, S. verus, S. barskovi (194374) S. cristellaris, S. recreatus, S. plenus, S. acuminatus (194367) S. limulus, S. bipartitus, S. isolatus, S. wabaunsensis (194362) S. nevaensis, S. sp. A (194366) S. plenus, S. postelongatus, S. mizensi, S. sigmoidalis, S. sp. A (194369) S. postelongatus (194368) S. sigmoidalis, S. constrictus (194370) S. sigmoidalis, S. fusus, S. verus, S. postelongatus (194372) S. sp. B, S. barskovi (194373) | |
| Asselian - Sakmarian | Russian Federation (Komi) | S. tenuialves, S. constrictus, S. simplex (87065) | |
| Permian | Mexico (Sonora) | S. sp. (39181) | |
| Wordian | Turkey | S. ruzhencevi (98202) |