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Leptacodon
Taxonomy
Leptacodon was named by Matthew and Granger (1921). It is not extant. Its type is Leptacodon tener.
It was synonymized subjectively with Entomolestes by McKenna (1960), Delson (1971); it was synonymized subjectively with Talpavus by Robinson (1968).
It was assigned to Leptictinae by Hay (1930); to Adapisoricinae by Van Valen (1967); to Nyctitheriinae by Lopatin (2006); and to Nyctitheriidae by Matthew and Granger (1921), Gazin (1969), Krishtalka (1976), Bown and Schankler (1982), Hooker (1986), Gingerich (1987), Carroll (1988), Gunnell et al. (2008), Rose et al. (2012).
It was synonymized subjectively with Entomolestes by McKenna (1960), Delson (1971); it was synonymized subjectively with Talpavus by Robinson (1968).
It was assigned to Leptictinae by Hay (1930); to Adapisoricinae by Van Valen (1967); to Nyctitheriinae by Lopatin (2006); and to Nyctitheriidae by Matthew and Granger (1921), Gazin (1969), Krishtalka (1976), Bown and Schankler (1982), Hooker (1986), Gingerich (1987), Carroll (1988), Gunnell et al. (2008), Rose et al. (2012).
Species
L. acherontus, L. catulus, L. choristus, L. donkroni, L. minutulus, L. munusculum, L. nascimentoi, L. packi, L. proserpinae, L. tener (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Leptacodon Matthew and Granger |
| 1930 | Leptacodon Hay p. 432 |
| 1967 | Leptacodon Van Valen |
| 1969 | Leptacodon Gazin p. 4 |
| 1976 | Leptacodon Krishtalka |
| 1982 | Leptacodon Bown and Schankler |
| 1986 | Leptacodon Hooker p. 239 |
| 1987 | Leptacodon Gingerich p. 302 |
| 1988 | Leptacodon Carroll |
| 2006 | Leptacodon Lopatin |
| 2008 | Leptacodon Gunnell et al. |
| 2012 | Leptacodon Rose et al. |
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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. †Leptacodon Matthew and Granger 1921
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†Leptacodon acherontus Secord 2008
†Leptacodon catulus Krishtalka 1976
†Leptacodon choristus Secord 2008
†Leptacodon donkroni Rose et al. 2012
†Leptacodon minutulus Dorr 1958
†Leptacodon munusculum Simpson 1935
†Leptacodon nascimentoi Estravís 1996
†Leptacodon packi Jepsen 1930
†Leptacodon proserpinae Van Valen 1978
†Leptacodon tener Matthew and Granger 1921
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hooker 2001, Lillegraven 1979, Carroll 1988, Ji et al. 2002, Hendy et al. 2009 | |||||
Age range: base of the Maastrichtian to the top of the Wasatchian or 72.20000 to 50.50000 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maastrichtian | Portugal (Coimbra) | L. sp. (49276) | |
| Puercan | USA (Montana) | L. proserpinae (14766) | |
| Danian | USA (North Dakota) | L. tener (14962) | |
| To2 | Canada (Alberta) | L. munusculum, L. tener (14894) | |
| Torrejonian | USA (Wyoming) | L. munusculum (14912) L. tener (14886) | |
| Torrejonian | USA (Montana) | L. munusculum (14906) | |
| Ti1 | Canada (Alberta) | L. munusculum, L. packi, L. tener (14939) | |
| Ti3 | Canada (Alberta) | L. munusculum, L. tener (14928) L. packi (14992) | |
| Ti4 | Canada (Saskatchewan) | L. packi (14978) | |
| Tiffanian | Canada (Alberta) | L. packi (14929 14934 14954) L. packi, L. tener (14973) L. tener (14995) | |
| Tiffanian | USA (Wyoming) | L. munusculum, L. tener, L. acherontus (15017) L. munusculus (14936) L. packi (15032 15049) L. packi, L. sp. (26569) L. sp. (14926 15034) L. tener (14952 14974) | |
| Tiffanian | USA (Colorado) | L. tener (14967 174227) | |
| Tiffanian | USA (Montana) | L. munusculum (15025) L. munusculum, L. packi (15008) L. tener (14937 15048 15064) | |
| Tiffanian | USA (North Dakota) | L. sp. (15000) L. tener (14931) | |
| Late/Upper Paleocene | USA (Wyoming) | L. choristus (15024) | |
| Early/Lower Eocene | France (Var) | L. sp. (35538) | |
| Early/Lower Eocene | USA (Wyoming) | L. sp. (15081 80580) L. sp., L. donkroni (154254) | |
| Early/Lower Eocene | Portugal (Região Centro) | L. sp., L. nascimentoi (79200) | |
| Ypresian | France (Île-de-France) | L. sp. (68437) | |
| Ypresian | Belgium (West Flanders) | Nyctitheriidae indet. (68430) | |
| Ypresian | France (Oise) | L. sp. (68174) | |
| Ypresian | United Kingdom (England) | L. sp. (13299 38868) | |
| Lysitean - Lostcabinian | USA (Wyoming) | L. sp. (15451) | |
| Wasatchian | USA (Colorado) | L. sp. (15485) | |
| Wasatchian | USA (New Mexico) | L. catulus (15453) | |
| Wasatchian | USA (North Dakota) | L. sp. (15895) | |
| Wasatchian | USA (Wyoming) | L. sp. (15586 15673 118482) |