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Acrotreta
Taxonomy
Acrotreta was named by Kutorga (1848) [Sepkoski's age data: Cm Atda-u O Ashg Sepkoski's reference number: 397,921,1050].
It was reranked as Discina (Acrotreta) by Brøgger (1882).
It was assigned to Discina by Brøgger (1882); to Acrotretidae by Henningsmoen (1952), Williams et al. (2000), Popov (2000); and to Acrotretida by Bengtson (1992), Sepkoski (2002).
It was reranked as Discina (Acrotreta) by Brøgger (1882).
It was assigned to Discina by Brøgger (1882); to Acrotretidae by Henningsmoen (1952), Williams et al. (2000), Popov (2000); and to Acrotretida by Bengtson (1992), Sepkoski (2002).
Species
A. argenta, A. attenuata, A. baileyi, A. bellatula, A. bisecta, A. calabozoi, A. cancellata, A. claytoni, A. concentrica, A. conula, A. convexa, A. declivis, A. definita, A. emmonsi, A. gemma, A. gracia, A. idahoensis, A. inflata, A. korynevskii, A. kutorgai, A. levata, A. liani, A. marjumensis, A. miser, A. neboensis, A. nitens, A. nox, A. ovalis, A. pacifica, A. parvula, A. pyxidicula, A. rudis, A. sagittalis, A. schmalensei, A. schucherti, A. seebachi, A. shantungensis, A. signalis, A. subconica, A. subsidua, A. ulrichi, A. uplandensis
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Acrotreta Kutorga |
| 1882 | Discina (Acrotreta) Brøgger |
| 1952 | Acrotreta Henningsmoen |
| 1992 | Acrotreta Bengtson p. 1030 |
| 2000 | Acrotreta Popov |
| 2000 | Acrotreta Williams et al. p. 103 |
| 2002 | Acrotreta 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. †Acrotreta Kutorga 1848
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†Acrotreta argenta Walcott 1902
†Acrotreta attenuata Meek 1873
†Acrotreta baileyi Matthew 1886
†Acrotreta bellatula Walcott 1908
†Acrotreta bisecta Matthew 1901
†Acrotreta calabozoi Lavié 2018
†Acrotreta cancellata Walcott 1905
†Acrotreta claytoni Walcott 1902
†Acrotreta concentrica Walcott 1902
†Acrotreta conula Walcott 1902
†Acrotreta convexa Walcott 1902
†Acrotreta declivis Willard 1928
†Acrotreta definita Walcott 1902
†Acrotreta emmonsi Walcott 1905
†Acrotreta gemma Billings 1865
†Acrotreta gracia Walcott 1902
†Acrotreta idahoensis Walcott 1902
†Acrotreta idahoensis sulcata Walcott 1902
†Acrotreta inflata Mathew 1886
†Acrotreta korynevskii Holmer and Popov 1994
†Acrotreta kutorgai Walcott 1902
†Acrotreta levata Resser 1939
†Acrotreta liani Walcott 1905
†Acrotreta marjumensis Walcott 1908
†Acrotreta miser Billings 1872
†Acrotreta neboensis Walcott 1905
†Acrotreta nitens Resser 1938
†Acrotreta nox Walcott 1905
†Acrotreta ovalis Walcott 1902
†Acrotreta pacifica Walcott 1905
†Acrotreta parvula Wallerius 1895
†Acrotreta pyxidicula White 1874
†Acrotreta rudis Walcott 1908
†Acrotreta sagittalis Salter 1865
†Acrotreta schmalensei Walcott 1902
†Acrotreta schucherti Lochman 1938
†Acrotreta seebachi Walcott 1902
†Acrotreta shantungensis Walcott 1905
†Acrotreta signalis Walcott 1902
†Acrotreta subconica Kutorga 1848
†Acrotreta subsidua White 1874
†Acrotreta ulrichi Walcott 1908
†Acrotreta uplandensis Wiman 1903
†Lingulella inflata ovalis Mathew 1895
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Collections (94 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | USA (Montana) | A. sp. (258) | |
| Dyeran | USA (New York) | A. sagittalis (203403) A. sp. (182) | |
| Delamaran | USA (Idaho) | A. definita, A. levata (76096) | |
| Delamaran | Canada (British Columbia) | A. sagittalis (50544 225278) A. sp. (197 225262) | |
| Delamaran - Marjumian | USA (Idaho) | A. sulcata (225269) | |
| Taijangian | South Korea | Acrotreta indet. (232931) | |
| Middle Cambrian | USA (Idaho) | A. nitens (127486) | |
| Middle Cambrian | Czechia (Bohemia) | A. sp. (67775) | |
| St Davids | USA (Utah) | A. sp. (216) | |
| Topazan | USA (Idaho) | A. eucharis, A. sulcata (50208) | |
| Menevian | Denmark (Bornholm) | A. sp. (50768 75946 75947) | |
| Menevian | United Kingdom (Wales) | Linnarssonia sagittalis (193782 198942) | |
| Marjumian | USA (Utah) | A. bellatula, A. marjumensis, A. sagittalis (232932) | |
| Boomerangian | Australia (Queensland) | A. sp. (225231) | |
| Guzhangian | Canada (Newfoundland) | A. schucherti (198257 198258) | |
| Dresbachian | USA (South Dakota) | A. sp. (231) | |
| Franconian | USA (Idaho) | A. sp. (251) | |
| Franconian | USA (Montana) | A. sp. (246) | |
| Franconian | USA (Wisconsin) | A. sp. (248) | |
| Franconian - Trempealeauan | Australia (Queensland) | A. sp. (198276 198278 198280 198282 198283) | |
| Furongian | Poland | A. multa (72275) | |
| Merioneth | USA (Pennsylvania) | A. sp. (77696) | |
| Merioneth | USA (Utah) | A. sp. (206) | |
| Furongian - Tremadoc | Poland | A. multa (72274) | |
| Iverian | Australia (Queensland) | A. sp. (198279 198284) | |
| Iverian | Russian Federation (Novaya Zemlya) | A. sp. undet. (222974) | |
| Demingian | USA (Montana) | A. attica (284 69027 69028) | |
| Demingian | USA (North Dakota) | A. attica (69030) | |
| Tremadocian | United Kingdom | A. sabrinae (208220 208228) A. sp. (208222) A. sp., A. sabrinae (208218) | |
| Tremadocian - Floian | Sweden | A. sp. (3195) | |
| Cressagian | United Kingdom (England) | A. sabrinae (3711) | |
| Tremadoc | China (GuangXi) | A. sp. (4664) | |
| Tremadoc | Czechia | A. grandis (192830) A. inchoans (210165) A. minima (3837) A. sp. (3781) | |
| Tremadoc | Colombia | A. aequatorialis (8862) | |
| Tremadoc | Sweden | A. sp. (3109 3110) | |
| Tremadoc | Iran | A. dissimilis (185921 185922 185923 185924 185925) | |
| Tremadoc | Poland | A. dissimilis (66196) | |
| Tremadoc | China (AnHui) | A. sp. (7846) | |
| Tremadoc | USA (New York) | A. sp. (272) | |
| Tremadoc | China (HeBei) | A. sp. (7958 7969) | |
| Tremadoc | China (Guizhou) | A. sp. (5280) | |
| Tremadoc | Norway (Ovre Oren) | A. sp. (75288) | |
| Stairsian | USA (Utah) | A. sp. (104069 104093) | |
| Hunneberg | Kazakhstan | A. korinevskii (165639 165641) | |
| Tulean | USA (Montana) | A. sp. undet. (174452) | |
| Floian | Kazakhstan (Karaganda) | A. korynevskii (242227) | |
| Klabava | Czechia | A. minima (3838) | |
| Arenig | USA (Montana) | A. sp. (286) | |
| Arenigian | Czechia (Southwest) | A. foetida (242156) | |
| Billingen | Russian Federation | A. subconica (169230 198705 198706 198708) | |
| Dapingian | Iran | A. maior (116505) | |
| Dapingian | USA (Utah) | A. sp. (104215) | |
| Early/Lower Llanvirn | China (Yunnan) | A. sp. (5427) | |
| Llandeilo | China (Hunan) | A. sp. (7690) | |
| Costonian - Harnagian | China (Hubei) | A. sp. (4708) | |
| Costonian - Harnagian | China (ShanXi) | A. sp. (8009) | |
| Sandbian | Argentina (San Juan) | A. calabozoi (235622 235623) | |
| Sandbian | China (Hubei) | A. fenxiangensis (186304) | |
| Idavere | Sweden (Skania) | A. sp. (2770) | |
| Katian | Kazakhstan | A. orientalis (116472) | |
| Wufeng - Rawtheyan | China (AnHui) | A. sp. (7834) |