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Zestoceras
Taxonomy
Zestoceras was named by Tozer (1994).
It was assigned to Trachyceratinae by Tozer (1994); and to Anolcitinae by Mietto and Manfrin (2008).
It was assigned to Trachyceratinae by Tozer (1994); and to Anolcitinae by Mietto and Manfrin (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Zestoceras Tozer p. 159 |
| 2008 | Zestoceras Mietto and Manfrin p. 396 |
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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. †Zestoceras Tozer 1994
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†Zestoceras enode Tozer 1972
†Zestoceras lorigae Mietto and Manfrin 2008
†Zestoceras nitidum Tozer 1994
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 12.1 | 10.8 | 15.1 | 10.8 | 2.48 | |
| shell diameter | 4 | 40.5 | 36.0 | 43.3 | 41.5 | 3.39 | |
| shell inflation | 4 | 17.0 | 14.4 | 20.0 | 17.2 | 2.80 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Longobardian to the top of the Julian or 239.48000 to 233.60000 Ma
Collections (76 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ladinian | Italy | Z. enode (50832) | |
| Longobardian | Italy | Z. enode (142195 142196) | |
| Longobardian | Canada (British Columbia) | Z. nitidum (138616) | |
| Julian | Malaysia (Kedah) | Z. barwicki (215837) | |
| Julian | Italy | Z. barwicki (142192 142193 142194) Z. barwicki, Z. lorigae (141968 141969 141970 141976) Z. lorigae (141952 141956 141957 141959 141960 141961 141963 141966 141971 141973 141975 141978 141979 141980 141981 142033 142034 142035 142039 142040 142042 142043 142044 142045 142047 142048 142049 142059 142060 142061 142062) Z. sp. (50841 50848 50849 50850 50851 50852 50853 50854 50855 50857 50858 50859 50866 141964 142051) Z. sp., Z. barwicki, Z. lorigae (141954 141972 141982 142036 142041 142046 142050 142066) Z. sp., Z. lorigae (141953 141958 141962 141967 141974 141977) | |
| Julian | Canada (British Columbia) | Z. cerastes (139045) Z. enode (137391 139046 141653) |