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Trocholitidae
Taxonomy
Trocholitidae was named by Chapman (1857).
It was assigned to Nautiloidea by Hyatt (1894); to Orthochoanites by Strand (1934); to Cephalopoda by Ulrich et al. (1942); to Tarphyceratina by Sweet (1958); to Tarphyceratida by Teichert et al. (1964) and Kröger and Landing (2009); and to Tarphycerida by Crick (1981), Stait (1983), Stait and Burrett (1984), Evans (2011), Kröger and Aubrechtova (2017) and Kröger and Aubrechtová (2019).
It was assigned to Nautiloidea by Hyatt (1894); to Orthochoanites by Strand (1934); to Cephalopoda by Ulrich et al. (1942); to Tarphyceratina by Sweet (1958); to Tarphyceratida by Teichert et al. (1964) and Kröger and Landing (2009); and to Tarphycerida by Crick (1981), Stait (1983), Stait and Burrett (1984), Evans (2011), Kröger and Aubrechtova (2017) and Kröger and Aubrechtová (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 1857 | Trocholitidae Chapman |
| 1894 | Trocholitidae Hyatt p. 458 |
| 1934 | Trocholitidae Strand |
| 1942 | Trocholitidae Ulrich et al. |
| 1958 | Trocholitidae Sweet |
| 1964 | Trocholitidae Teichert et al. p. 359 |
| 1981 | Trocholitidae Crick p. 228 |
| 1983 | Trocholitidae Stait |
| 1984 | Trocholitidae Stait and Burrett |
| 2009 | Trocholitidae Kröger and Landing p. P90 |
| 2011 | Trocholitidae Evans |
| 2017 | Trocholitidae Kröger and Aubrechtova |
| 2019 | Trocholitidae Kröger and Aubrechtová |
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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.
Fm. †Trocholitidae Chapman 1857
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G. †Curtoceras Ulrich et al. 1942
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†Curtoceras abditus Kröger and Aubrechtova 2017
†Curtoceras billingsi Foerste 1938
†Curtoceras eatoni Whitfield 1886
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Invalid names: Schroederoceras cassinense Whitfield 1886 [synonym]
†Curtoceras internastriatum Whitfield 1886
†Curtoceras minganense Foerste 1938
G. †Discoceras Barrande 1867
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†Discoceras amtjaernense Kröger and Aubrechtová 2019
†Discoceras angulatum Saemann 1852
†Discoceras antiquissima Eichwald 1842
†Discoceras antiquissimus Roemer 1861
†Discoceras arctuatum Lossen 1860
†Discoceras depressum Sweet 1958
†Discoceras fleischeri Sweet 1958
†Discoceras hyatti Strand 1934
†Discoceras idaense Teichert and Glenister 1962
†Discoceras ievesense Balaschov 1953
†Discoceras nilssoni Kröger and Aubrechtová 2019
†Discoceras rarospira Eichwald 1860
†Discoceras roemeri Strand 1934
†Discoceras saemanni Hyatt 1894
†Discoceras siljanense Kröger et al. 2011
†Discoceras tubulatum Hyatt 1894
†Discoceras vasalemmense Balaschov 1953
G. †Graftonoceras Foerste 1925
G. †Hardmanoceras Teichert and Glenister 1952
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†Hardmanoceras chrysanthimum Kobayashi 1959
†Hardmanoceras lobatum Teichert and Glenister 1952
G. †Litoceras Hyatt 1883
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†Litoceras calciferum Billings 1865
†Litoceras versutum Billings 1865
†Litoceras whiteavsi Hyatt 1894
G. †Paradiscoceras Barskov 1972
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†Paradiscoceras dissitum Stait et al. 1985
†Paradiscoceras orientale Barskov 1972
G. †Plectolites
G. †Schroederoceras Hyatt 1894
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†Schroederoceras angulatum Saemann 1852
†Schroederoceras saemanni Hyatt 1894
†Schroederoceras tubulatum Hyatt 1894
G. †Trocholites Conrad 1838
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†Trocholites ammonius Conrad 1838
†Trocholites contractus Schroeder 1891
†Trocholites depressus Eichwald 1860
†Trocholites faberi Foerste 1929
†Trocholites fugax Babin and Gutiérrez-Marco 1992
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Invalid names: Lituites primulus Barrande 1865 [synonym]
†Trocholites gennadii Kröger and Aubrechtova 2017
†Trocholites gracilis Flower 1943
†Trocholites hospes Remele 1880
†Trocholites internestriatus Whitfield 1886
†Trocholites ruedemanni Flower 1943
G. †Trocholitoceras Hyatt 1894
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†Trocholitoceras bevani Ulrich et al. 1942
†Trocholitoceras juvenicostatum Ulrich et al. 1942
†Trocholitoceras latum Ulrich et al. 1942
†Trocholitoceras philipsburgense Ulrich et al. 1942
†Trocholitoceras walcotti Hyatt 1894
G. †Wichitoceras Ulrich et al. 1942
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†Wichitoceras chadwickense Ulrich et al. 1942
†Wichitoceras compressum Ulrich et al. 1942
†Wichitoceras crassum Ulrich et al. 1942
†Wichitoceras decipiens Ulrich et al. 1942
†Wichitoceras naylorense Ulrich et al. 1942
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Arenig to the top of the Late/Upper Ordovician or 478.60000 to 443.80000 Ma
Collections (162 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ibexian - Whiterockian | Thailand (Tarutao Island) | Hardmanoceras chrysanthimum (189102) | |
| Tremadocian | Australia (Kimberley) | Hardmanoceras lobatum (188989) | |
| Tremadocian | Canada (Nunavut) | Discoceras sp. (88918) | |
| Jeffersonian - Rangerian | Canada (Quebec) | Curtoceras minganense (99217) | |
| Jeffersonian | Canada (Newfoundland and Labrador) | Litoceras calciferum (98438 100029) | |
| Jeffersonian | USA (Oklahoma) | Wichitoceras crassum (100041) Wichitoceras decipiens (100043) | |
| Tremadocian - Floian | China (Jilin ) | Hardmanoceras sp. (154815) | |
| Cassinian | USA (Virginia) | Trocholitoceras bevani (99221) | |
| Cassinian | USA (New York) | Curtoceras eatoni (90194) Schroederoceras eatoni, Schroederoceras cassinense (42798 171787) | |
| Cassinian | Canada (Quebec) | Curtoceras billingsi (56518) Trocholitoceras walcotti, Trocholitoceras juvenicostatum, Trocholitoceras latum, Trocholitoceras philipsburgense (99224) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Pirgu | Lithuania | Schroederoceras sp. (207224) | |
| Pirgu | Norway (Asker) | Discoceras roemeri (164214) | |
| Pirgu | Norway (Oslo Asker) | Discoceras antiquissimum (164210 164211) | |
| Pusgillian - Rawtheyan | Norway (Ringerike) | Discoceras roemeri (163026) | |
| Pusgillian - Rawtheyan | Norway (Langesund-Skien) | Discoceras antiquissimum, Discoceras roemeri, Discoceras angulatum, Discoceras hyatti, Discoceras saemanni, Discoceras tubulatum (159336) | |
| Pirgu - Hirnantian | Sweden (Dalarne) | Discoceras roemeri (73466) | |
| Rawtheyan | Ireland (Leinster) | Trocholites planorbiformes (87631) | |
| Rawtheyan - Hirnantian | Norway (Hadeland) | Discoceras saemanni (163021) | |
| Hirnantian | Sweden (Dalarna) | Discoceras siljanense (101023) | |
| Hirnantian | Norway (Oslo-Asker Dist.) | Discoceras sp. (438) | |