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Acrothelidae
Taxonomy
Acrothelidae was named by Schuchert (1893).
It was assigned to Acrotretacea by Brock and Cooper (1993); to Acrotretoidea by Puura and Holmer (1993), Bruton and Harper (2000); and to Acrotheloidea by Williams et al. (2000), Skovsted et al. (2017).
It was assigned to Acrotretacea by Brock and Cooper (1993); to Acrotretoidea by Puura and Holmer (1993), Bruton and Harper (2000); and to Acrotheloidea by Williams et al. (2000), Skovsted et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Acrothelidae Schuchert |
| 1993 | Acrothelidae Brock and Cooper p. 782 |
| 1993 | Acrothelidae Puura and Holmer |
| 2000 | Acrothelidae Bruton and Harper |
| 2000 | Acrothelidae Williams et al. p. 92 |
| 2017 | Acrothelidae Skovsted et al. |
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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. †Acrothelidae Schuchert 1893
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Subfm. †Acrothelinae Walcott and Schuchert 1908
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G. †Acrothele Linnarsson 1876
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†Acrothele affinis Resser 1939
†Acrothele artemis Walcott 1908
†Acrothele bellapunctata Walcott 1908
†Acrothele bellula Walcott 1897
†Acrothele bergeroni Walcott 1908
†Acrothele borgholmensis Walcott 1908
†Acrothele concava Cooper et al. 1952
†Acrothele coriacea Linnarsson 1876
†Acrothele decipiens Walcott 1897
†Acrothele dichotoma Walcott 1884
†Acrothele levisensis Walcott 1908
†Acrothele minuta Walcott 1905
†Acrothele primaeva de Verneuil and Barrande 1860
†Acrothele rarus Walcott 1905
†Acrothele sougyi Poulsen 1960
†Acrothele speciosa Resser 1938
†Acrothele spinulosa Poulsen 1960
†Acrothele subsidua White 1874
†Acrothele subsidua hera Walcott 1908
†Acrothele turneri Walcott 1908
†Acrothele woodworthi Walcott 1908
†Acrothele yorkensis Walcott 1908
Invalid names: Dearbornia Walcott 1908 [synonym], Glyptacrothele [synonym], Redlichella [synonym]
Subfm. †Conodiscinae Rowell 1965
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G. †Conodiscus Ulrich and Cooper 1936
G. †Discotreta Ulrich and Cooper 1936
G. †Eothele Rowell 1980
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†Eothele granulata Roberts and Jell 1990
†Eothele napuru Kruse 1990
†Eothele spurri Walcott 1908
†Eothele tubulus Ushatinskaya 1987
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Atdabanian to the top of the Marshbrookian or 521.00000 to 454.00000 Ma
Collections (148 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caerfai | USA (Nevada) | Eothele sp. (190) | |
| Caerfai | Canada (Nunavut) | Acrothele sp. (184) | |
| Early/Lower Cambrian | Spain (Aragon) | Redlichella bohemica (120552) | |
| Early/Lower Cambrian | Mauritania | Acrothele sougyi, Acrothele spinulosa (209265) | |
| Atdabanian | Antarctica | Schizopholis york (199526) | |
| Nangaoian | China (Shanxi) | Schizopholis yorkensis (234759) | |
| Botomian | Norway (Mjosen) | Acrothele bellapunctata (42220) | |
| Botomian | Pakistan | Schizopholis rugosa (127607) | |
| Botomian | China (Yunnan) | Acrothele rara (90353 90356 90357 90361 90363 90371) Acrothele sp. (90369) | |
| Lenian | Kyrgyzstan | Acrothele rara (81268) | |
| Lenian | Spain | Acrothele primaeva (123849) Acrothele sp., Acrothele primaeva (123838) | |
| Lenian | USA (Nevada) | Eothele sp. (9821 9822) | |
| Lenian | Sweden | Acrothele granulata (87124 87184) | |
| Dyeran | USA (Nevada) | Eothele sp. (9820 10571) Eothele spurri (10568 96417) Siphonotreta dubia (203345) | |
| Dyeran | Canada (Newfoundland and Labrador) | Eothele sp. (78747) | |
| Dyeran | USA (New York) | Acrothele sp. (182) | |
| Dyeran | USA (Pennsylvania) | Acrothele decipiens, Acrothele yorkensis (11116) Eothele tubulus (97879) | |
| Dyeran | Canada (Newfoundland) | Eothele tubulus (196324 196327 196329 196330 196331 196332 196333 196335 196337 196338 196339 196340 196341 196343 196346 196348 196349 196351 196352 196353) | |
| Duyunian | China (Guizhou) | Glyptacrothele bohemica (88777) | |
| Stage 4 | Mexico (Sonora) | Eothele sp. (234897) | |
| Toyonian | Australia (South Australia) | Eothele napuru (64460 64461 64462) | |
| Ordian | Australia (Northern Territory) | Acrothele sp. (203) | |
| Delamaran | USA (Montana) | Acrothele colleni (68907) Acrothele colleni, Acrothele panderi (225273) | |
| Delamaran | Mexico (Sonora) | Acrothele sp. (90558) | |
| Delamaran | USA (Nevada) | Acrothele sp. 2 (232726) | |
| Delamaran | USA (Idaho) | Acrothele affinis (76096) Acrothele sp. (207) | |
| Delamaran | Mexico | Acrothele sp. (10688) | |
| Delamaran | Canada (British Columbia) | Acrothele colleni (68908) Acrothele sp. (187 197 225262) | |
| Delamaran - Topazan | USA (Utah) | Acrothele subsidua (227007) | |
| Delamaran - Menevian | Mexico | Acrothele sp., Acrothele concava (10687) | |
| Amgan | Norway (Rogaland) | Acrothele granulata (76545) | |
| Amgan | Czechia (Bohemia) | Glyptacrothele bohemica (67708) | |
| Solvan | Sweden (Norrbotten) | Acrothele granulata (9782) | |
| Solvan | Kazakhstan | Acrothele sp. (56536) Schizopholis sp. (219910) | |
| Solvan | Australia (New South Wales) | Eothele granulata (56531) | |
| Templetonian | Australia (Northern Territory) | Eothele granulata (232933 232934 232935 232936) | |
| Wuliuan | Mexico (Sonora) | Eothele sp., Acrothele concava (234898) | |
| Wuliuan - Topazan | Mexico | Acrothele concava (236858) | |
| Middle Cambrian | Czechia | Acrothele quadrilineata (199039) | |
| Middle Cambrian | Norway (Rogaland) | Acrothele granulata (190113) | |
| Middle Cambrian | USA (Montana) | Acrothele pentagonensis (155652) | |
| Middle Cambrian | USA (Utah) | Acrothele subsidua (77267) | |
| Middle Cambrian | USA (Idaho) | Acrothele speciosa (127486) | |
| Middle Cambrian | Australia (Northern Territory) | Eothele napuru (59991 59994 59998 59999 60000 60014 60015 60016 60019 60026 60028 60034 60045 60046 60074) | |
| Middle Cambrian | Czechia (Litavka) | Acrothele sp., Glyptacrothele sp. (76453 76454) | |
| St Davids | USA (Utah) | Acrothele sp. (216) | |
| Arcadian | Canada (Newfoundland and Labrador) | Orbithele sp. (10768) | |
| Topazan | USA (Idaho) | Acrothele parilis, Acrothele artemis (50208) | |
| Drumian | Czechia (Central Boemian) | Acrothele sp., Glyptacrothele sp. (76456) | |
| Mayan | Kazakhstan (Balkhash) | Acrothele sp. (118101) | |
| Mayan | Kazakhstan | Acrothele sp. (10030) | |
| Menevian | Denmark (Bornholm) | Acrothele sp. (50768 75946) Acrothelidae indet. (75947) | |
| Menevian | Kazakhstan | Acrothele sp. (56538) | |
| Menevian | Greenland (Peary Land) | Orbithele sp. (49452 49488) | |
| Drumian - Marjumian | Mexico | Acrothele concava (236876) | |
| Marjumian | USA (Utah) | Acrothele subsidua (56144 230679 230682) | |
| Marjumian | USA (Texas) | Acrothele sp. (78735) | |
| Zhanaarykian | Kazakhstan | Acrothele sp. (9959) | |
| Boomerangian | Australia (Queenslandd) | Acrothele sp. A (225252) | |
| Boomerangian | New Zealand (Nelson) | Acrothele sp. (49850) | |
| Mindyallan - Idamean | Australia (Victoria) | Acrothele sp., Orbithele sp. (64043) | |
| Dresbachian | France | Acrothele sp., Orbithele courtessolei (56191) | |
| Dresbachian | USA (Alaska) | Acrothele sp. (64797) | |
| Merioneth | Canada (British Columbia) | Acrothele sp. (199) | |
| Merioneth | USA (Utah) | Acrothele sp. (206) | |
| Merioneth | USA (Idaho) | Acrothele sp. (198) | |
| Trempealeauan | USA (Nevada) | Conodiscus burlingi (233789) | |
| Tremadoc | Iran | Orbithele sp. (116238) | |
| Tremadoc | Norway | Orbithele sp. (3106) | |
| Tremadoc | Czechia | Orbithele discontinua (192830) Orbithele maior, Orbiculoidea sodalis (3837) Orbithele sp. (3782) | |
| Tremadoc | Poland | Orbithele ceratopygarum (66196) | |
| Varangu | Sweden (Dalarna) | Orbithele sp. (191676) | |
| Varangu | Sweden (Öland) | Acrothele coriacea (191671) | |
| Hunneberg | Sweden (Dalarna) | Orbithele sp. (191677) | |
| Floian | Kazakhstan (Karaganda) | Orbithele ceratopygarum (242227) | |
| Floian | China (Hubei) | Conodiscus sp. (186121) | |
| Klabava | Czechia | Orbiculoidea sodalis (3838) | |
| Arenig | China (Hunan) | Acrothele sp. (7700) | |
| Arenig | Czechia (Southwest) | Orbithele undulosa (242155) | |
| Dapingian | China (Hubei) | Conodiscus sp. (186122) | |
| Soudleyan - Marshbrookian | China (JiangSu) | Acrothele sp. (7943) | |
| Caradoc | Sweden | Acrothele sp. (380) |