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Protrachyceras
Taxonomy
Protrachyceras was named by Mojsisovics (1893) [Sepkoski's age data: Tr Ladi-l Tr Ladi-u Sepkoski's reference number: 302].
It was reranked as Trachyceras (Protrachyceras) by von Mojsisovics (1896) and Smith (1904).
It was assigned to Trachyceras by von Mojsisovics (1896) and Smith (1904); to Trachyceratidae by Spath (1951); to Ceratitida by Sepkoski (2002); and to Protrachyceratinae by Tozer (1981), Parnes (1986), Brack and Rieber (1993), Fantini Sestini (1994), Tozer (1994) and Urlichs (2017).
It was reranked as Trachyceras (Protrachyceras) by von Mojsisovics (1896) and Smith (1904).
It was assigned to Trachyceras by von Mojsisovics (1896) and Smith (1904); to Trachyceratidae by Spath (1951); to Ceratitida by Sepkoski (2002); and to Protrachyceratinae by Tozer (1981), Parnes (1986), Brack and Rieber (1993), Fantini Sestini (1994), Tozer (1994) and Urlichs (2017).
Species
P. anatolicum, P. archelaus, P. cautleyi, P. costulatum, P. deprati, P. guizhouense, P. hispanicum, P. ibericum, P. irregulare, P. ladinum (syn. Ammonites aequinodosus, Trachyceras altum), P. lermani, P. longobardicum, P. margaritosum, P. mutabile, P. negevense (syn. P. ladinum parana), P. parinaense, P. pseudoarchelaus, P. sikanianum (syn. P. zauwae), P. sirenitiforme, P. spitiense, P. steinmanni, P. wahrmani, Trachyceras (Protrachyceras) ralphuanum, Trachyceras (Protrachyceras) springeri, Trachyceras (Protrachyceras) storrsi
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Protrachyceras Mojsisovics |
| 1896 | Trachyceras (Protrachyceras) von Mojsisovics |
| 1904 | Trachyceras (Protrachyceras) Smith pp. 387 - 388 |
| 1951 | Protrachyceras Spath p. 43 |
| 1981 | Protrachyceras Tozer p. 95 |
| 1986 | Protrachyceras Parnes |
| 1993 | Protrachyceras Brack and Rieber p. 484 |
| 1994 | Protrachyceras Fantini Sestini |
| 1994 | Protrachyceras Tozer p. 146 |
| 2002 | Protrachyceras Sepkoski |
| 2017 | Protrachyceras Urlichs p. 177 |
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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. †Protrachyceras Mojsisovics 1893
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†Protrachyceras anatolicum Toula 1898
†Protrachyceras archelaus Laube 1869
†Protrachyceras cautleyi Diener 1907
†Protrachyceras costulatum Mansuy 1912
†Protrachyceras deprati Mansuy 1912
†Protrachyceras guizhouense Wang 1983
†Protrachyceras hispanicum von Mojsisovics 1881
†Protrachyceras ibericum Mojsisovics 1882
†Protrachyceras irregulare Fantini Sestini 1994
†Protrachyceras ladinum Mojsisovics 1882
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Invalid names: Ammonites aequinodosus Klipstein 1843 [synonym], Trachyceras altum von Mojsisovics 1878 [synonym]
†Protrachyceras lermani Parnes 1986
†Protrachyceras longobardicum Mojsisovics 1882
†Protrachyceras margaritosum von Mojsisovics 1882
†Protrachyceras mutabile Wang 1983
†Protrachyceras negevense Parnes 1986
†Protrachyceras parinaense Fantini Sestini 1994
†Protrachyceras pseudoarchelaus Boeckh 1873
†Protrachyceras sikanianum McLearn 1930
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Invalid names: Protrachyceras zauwae McLearn 1930 [synonym]
†Protrachyceras sirenitiforme Parnes 1962
†Protrachyceras spitiense Diener 1908
†Protrachyceras steinmanni von Mojsisovics 1882
†Protrachyceras wahrmani Parnes 1962
†Trachyceras (Protrachyceras) ralphuanum von Mojsisovics 1896
†Trachyceras (Protrachyceras) springeri Smith 1914
†Trachyceras (Protrachyceras) storrsi Smith 1927
Invalid names: Protrachyceras ladinum parana Parnes 1962 [replaced]
Diagnosis
No diagnoses are available