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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), Smith (1904).
It was assigned to Trachyceras by von Mojsisovics (1896), 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), Urlichs (2017).
It was reranked as Trachyceras (Protrachyceras) by von Mojsisovics (1896), Smith (1904).
It was assigned to Trachyceras by von Mojsisovics (1896), 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), Urlichs (2017).
Species
P. anatolicum, P. archelaus, P. cautleyi, P. costulatum, P. deprati, P. guizhouense, P. hispanicum, P. ibericum, P. irregulare, P. ladinum (syn. Trachyceras altum, Ammonites aequinodosus), 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
hide
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
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 12 | 35.6 | 21.0 | 51.0 | 42.0 | 15.4 | |
| shell diameter | 12 | 51.8 | 19.1 | 117.0 | 57.3 | 29.3 | |
| shell inflation | 12 | 15.4 | 8.50 | 26.0 | 16.5 | 8.76 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (122 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Austria (Innsbruck) | P. archelaus (202275) | |
| Anisian | India (Himachal Pradesh) | P. longobardicum, P. cautleyi (206205) | |
| Anisian - Ladinian | Italy (Udine) | P. ladinum, P. archelaus, P. spitiense, P. pseudoarchelaus, P. longobardicum (201597) | |
| Middle Triassic | Slovenia | Trachyceras archelaus (203357) | |
| Middle Triassic | Italy (Trento) | Trachyceras archelaus (202272) | |
| Bithynian | China (Guizhou) | P. sp. (178664) | |
| Bithynian - Pelsonian | Svalbard and Jan Mayen | P. sp. (97307) | |
| Pelsonian - Tuvalian | Türkiye (Anatolia) | P. anatolicum (204511) P. steinmanni (204521) P. steinmanni, P. archelaus (204518) | |
| Illyrian | Switzerland (Ticino) | P. dealessandrii (44701) | |
| Illyrian | USA (Nevada) | Trachyceras springeri (33203) | |
| Illyrian | Italy (Belluno) | Trachyceras margaritosum (212317) | |
| Illyrian | Italy (Brescia) | Trachyceras margaritosum, Trachyceras longobardicum (212316) | |
| Illyrian - Fassanian | Italy (Vicenza) | Trachyceras margaritosum (211819) | |
| Illyrian - Fassanian | Italy (South Tyrol) | P. longobardicum (205103) | |
| Fassanian | Israel (Negev) | P. wahrmani (214652) | |
| Fassanian | Italy (Trentino) | P. margaritosum (44676) P. steinmanni (44647) | |
| Fassanian | Greece (Epidavros) | P. sp., Eoprotrachyceras margaritosum (211434) | |
| Fassanian | Italy (Bergamo) | P. margaritosum (211545) P. sp. (211547) | |
| Fassanian | Italy (Lombardy) | P. longobardicum (44572) P. margaritosum (44570) P. steinmanni (44573 44665) | |
| Fassanian | Japan | P. sp. (124316) | |
| Ladinian | Italy | P. sp. (50834 50835) | |
| Ladinian | China | P. douvillei, P. sp., P. ladinum (44946) P. spp. (44727) | |
| Ladinian | Italy (South Tyrol) | P. ladinum (205127 205131) P. ladinum, P. archelaus, P. pseudoarchelaus, Trachyceras longobardicum (205129) Trachyceras ladinum, Trachyceras archelaus (212009) | |
| Ladinian | Italy (Brescia) | Trachyceras longobardicum (212324) | |
| Ladinian | Indonesia | P. archelaos (204270) | |
| Ladinian | Italy (Trento) | Trachyceras archelaus (231733) | |
| Ladinian | Hungary (Bakony) | Trachyceras archelaus (211759) | |
| Ladinian | Hungary | Trachyceras pseudoarchelaus (211845) | |
| Ladinian | Vietnam | P. villanovae, P. costulatum (44765) | |
| Ladinian | Italy (Lecco) | Trachyceras ladinum, Trachyceras pseudoarchelaus, Trachyceras longobardicum (211850) Trachyceras steinmanni, Trachyceras pseudoarchelaus, Trachyceras longobardicum (211844) | |
| Ladinian | Slovenia | Trachyceras archelaus (212313) Trachyceras ladinum (212315) | |
| Ladinian | Romania | Trachyceras sp. (142737) | |
| Ladinian | Italy (Trentino) | Trachyceras ladinum, Trachyceras archelaus (211846) | |
| Ladinian | India (Himachal Pradesh) | P. spitiense (44732) | |
| Ladinian | Italy (Belluno) | Trachyceras ladinum, Trachyceras archelaus (212011) | |
| Ladinian | Italy (Bergamo) | Trachyceras ladinum, Trachyceras archelaus, Trachyceras longobardicum (212012) | |
| Ladinian | Canada (British Columbia) | P. sikanianum (138641 138643 139105 139513) | |
| Ladinian | Italy (Udine) | Trachyceras pseudoarchelaus (211815) | |
| Ladinian | Canada (Nunavut) | P. sp. (57095) | |
| Ladinian | Thailand | P. longobardicum (44810) | |
| Longobardian | Slovenia (Tolmin) | P. archelaus (202069) | |
| Longobardian | Italy | Ammonites aequinodosus (146387) P. archelaus (45434) P. ladinum (184735 184736) | |
| Longobardian | Italy (Lombardy) | P. archelaus (44668) | |
| Longobardian | Türkiye | P. sp. (120903) | |
| Longobardian | Spain | P. hispanicum (211529 211531 211532 211533) P. ladinum, P. hispanicum (211530) P. negevense (211537) | |
| Longobardian | Italy (Bergamo) | P. ladinum, P. steinmanni, P. pseudoarchelaus, P. longobardicum, P. irregulare, P. parinaense (211549) P. longobardicum (211548) P. parinaense (211550) P. steinmanni (33391) | |
| Longobardian | USA (Nevada) | P. sp., P. sikanianum (48134) | |
| Longobardian | Italy (Varese) | P. sp. (211519) | |
| Longobardian | China (Guizhou) | P. deprati, P. costulatum, P. pseudoarchelaus, P. mutabile, P. guizhouense (213194) P. yongningense, P. deprati, P. ladinum (85165) | |
| Longobardian | Israel (Negev) | P. ladinum, P. hispanicum, P. negevense, P. lermani (214654) | |
| Longobardian | Slovenia | P. sp. (166631) | |
| Longobardian | Canada (British Columbia) | P. sikanianum (137017 137018 137020 137021 137022 137394 137512 137513 137514 137665 138616 138617 138619 138622 138644 139102 139571 141634 141644) P. sikanianus, P. zauwae (43791) | |
| Longobardian | China (Yunnan) | P. sp. (196166) | |
| Longobardian | Spain (Tarragona) | P. pseudarchelus, P. hispanicum (109710) Trachyceras hispanicum (212314) | |
| Longobardian | Malaysia (Kelantan) | P. costulatum (211342) | |
| Julian | Canada (British Columbia) | P. sp. (56877) Trachyceras spp. (133088) | |
| Julian | Romania | Trachyceras archelaus (160170) | |
| Julian | Israel (Negev) | P. rectangulare, P. sp., P. sirenitiforme (214655) | |
| Julian | Mexico | Trachyceras sp. (201951) | |
| Julian | Italy | Trachyceras archelaus (144634 159575) Trachyceras medea (69248) | |
| Carnian | India | Trachyceras ralphuanum (85468) | |
| Carnian | Russian Federation | P. sp. (56986) | |
| Carnian | Svalbard and Jan Mayen | P. sp. (44452) | |
| Carnian | USA (California) | Trachyceras storrsi (144374) | |
| Carnian | China (Sichuan) | P. sp. (25405) | |
| Carnian | China (Guizhou) | P. sp. (85167) | |
| Carnian | Bosnia and Herzegovina | P. doleriticum (206617) | |
| Late/Upper Triassic | Indonesia (West Sumatra) | P. sp. (204434) | |
| Late/Upper Triassic | USA (Alaska) | Trachyceras sp. (112263) | |
| Tuvalian | China (Guizhou) | P. douvillei, P. longiangense, P. deprati, P. costulatum, P. ladinum (85166) |