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Lonchocephalus
Taxonomy
Lonchocephalus was named by Owen (1852) [Sepkoski's age data: Cm Dres-l Sepkoski's reference number: 1,16]. It is not extant. Its type is Lonchocephalus chippewaensis.
It was reranked as Ptychoparia (Lonchocephalus) by Walcott (1899).
It was assigned to Ptychoparia by Walcott (1899); to Lonchocephalidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was reranked as Ptychoparia (Lonchocephalus) by Walcott (1899).
It was assigned to Ptychoparia by Walcott (1899); to Lonchocephalidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Lonchocephalus Owen |
| 1899 | Ptychoparia (Lonchocephalus) Walcott p. 461 |
| 1957 | Bucksella Howel |
| 2002 | Lonchocephalus Jell and Adrain p. 400 |
| 2002 | Bucksella Sepkoski |
| 2002 | Lonchocephalus 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.
G. †Lonchocephalus Owen 1852
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†Lonchocephalus chippewaensis Owen 1852
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Invalid names: Lonchocephalus minutus Bradley 1860 [synonym]
†Lonchocephalus planus Tasch 1951
†Ptychoparia (Lonchocephalus) wisconsensis Walcott 1899
Invalid names: Bucksella Howel 1957 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: base of the Marjumian to the top of the Trempealeauan or 504.50000 to 486.85000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Marjumian | USA (Texas) | L. sp. (208621) | |
| Marjumian | USA (Missouri) | L. chippewaensis (214844) | |
| Marjumian | USA (Wisconsin) | L. sp. (230 268) | |
| Marjumian | USA (Utah) | L. pholus (230681) | |
| Dresbachian | USA (Wyoming) | L. sp. (8956) | |
| Dresbachian | Canada (Yukon) | L. pholus (55211) | |
| Dresbachian | Canada (Northwest Territories) | L. sp. (25605) | |
| Furongian | USA (Utah) | L. sp. (156417 156420) | |
| Merioneth | USA (Pennsylvania) | L. planus (77661 77664 77670 77693 77697) L. swartzi (77695) L. waddlei (77696) | |
| Trempealeauan | USA (New York) | L. calciferus (74540 74541) Ptychoparia minuta (74542 74543 74545 74546 74547 74550) |