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Johnlongia
Taxonomy
Johnlongia was named by Siverson (1996). Its type is Johnlongia allocotodon.
It was assigned to Odontaspidae by Underwood (2004); to Odontaspididae by Siverson (1996), Cicimurri (2003), Shimada et al. (2004), Shimada et al. (2006), Cook et al. (2008), Guinot et al. (2013) and Cook et al. (2013); and to Johnlonginae by Shimada et al. (2015).
It was assigned to Odontaspidae by Underwood (2004); to Odontaspididae by Siverson (1996), Cicimurri (2003), Shimada et al. (2004), Shimada et al. (2006), Cook et al. (2008), Guinot et al. (2013) and Cook et al. (2013); and to Johnlonginae by Shimada et al. (2015).
Species
J. allocotodon (type species), J. parvidens
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Johnlongia Siverson p. 836 |
| 2003 | Johnlongia Cicimurri pp. 10-11 figs. 5, I |
| 2004 | Johnlongia Shimada et al. p. 131 |
| 2004 | Johnlongia Underwood p. 111 |
| 2006 | Johnlongia Shimada et al. p. 13 |
| 2008 | Johnlongia Cook et al. p. 1188 |
| 2013 | Johnlongia Cook et al. p. 573 |
| 2013 | Johnlongia Guinot et al. p. 649 |
| 2015 | Johnlongia Shimada et al. p. 2 |
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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. †Johnlongia Siverson 1996
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†Johnlongia allocotodon Siverson 1996
†Johnlongia parvidens Cappetta 1973
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Wagner 2023, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the to the top of the Late/Upper Santonian or 122.46000 to 83.50000 Ma
Collections (15 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Aptian | United Kingdom (England) | J. sp. (213577) | |
| Cenomanian | Australia (Western Australia) | J. allocotodon (215794) | |
| Late/Upper Cenomanian | Australia (Western Australia) | J. allocotodon (215561) | |
| Late/Upper Cenomanian | Russian Federation (Saratov) | J. allocotodon (213395) | |
| Middle Cenomanian | USA (Colorado) | J. parvidens (35429) | |
| Middle Cenomanian | Canada (Alberta) | J. parvidens (213316 213318) | |
| Early/Lower Turonian | Australia (Western Australia) | J. allocotodon (215796) | |
| Early/Lower Turonian | Canada (Alberta) | J. parvidens (136242 213294) | |
| Late/Upper Turonian | USA (South Dakota) | Odontaspis parvidens (213291) | |
| Middle Turonian | USA (Montana) | J. parvidens (215792) | |
| Middle Turonian | USA (Kansas) | J. parvidens (213390) | |
| Late/Upper Coniacian | USA (Kansas) | J. sp. (213413) | |
| Late/Upper Santonian | France (Aisne) | J. sp. (213563) |