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Heterotissotia
Taxonomy
Heterotissotia was named by Peron (1897) [Sepkoski's age data: K Turo-u K Coni].
It was assigned to Hemitissotiinae by Parnes (1964); to Tissotiidae by Hyatt (1903), Benavides-Caceres (1956) and Chancellor et al. (1994); and to Ammonoidea by Sepkoski (2002).
It was assigned to Hemitissotiinae by Parnes (1964); to Tissotiidae by Hyatt (1903), Benavides-Caceres (1956) and Chancellor et al. (1994); and to Ammonoidea by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Heterotissotia Peron |
| 1903 | Heterotissotia Hyatt p. 55 |
| 1956 | Heterotissotia Benavides-Caceres p. 483 |
| 1964 | Heterotissotia Parnes p. 13 |
| 1994 | Heterotissotia Chancellor et al. p. 102 |
| 2002 | Heterotissotia 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. †Heterotissotia Peron 1897
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†Heterotissotia bucheri Benavides-Caceres 1956
†Heterotissotia neoceratites Peron 1897
†Heterotissotia peroni Lissón 1908
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 9 | 41.5 | 36.5 | 46.0 | 40.5 | 3.83 | |
| shell diameter | 9 | 80.1 | 73.0 | 90.0 | 81.5 | 6.70 | |
| shell inflation | 9 | 14.4 | 7.00 | 20.0 | 16.0 | 4.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Coniacian or 89.80000 to 86.30000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian - Coniacian | Peru | H. lissoni (88671) | |
| Late/Upper Turonian | Peru (Cajamarca) | H. peroni, H. bucheri (88155) | |
| Late/Upper Turonian | Peru | H. peroni, H. bucheri (88131) | |
| Middle Turonian - Late/Upper Turonian | USA (Utah) | H. sp. (236738) | |
| Coniacian | Peru | H. peroni, H. bucheri (105520 159010) | |
| Early/Lower Coniacian | Brazil | H. sp. (140901) |