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Stenothecidae
Taxonomy
Stenothecidae was named by Runnegar and Jell (1980).
It was assigned to Helcionellacea by Runnegar and Jell (1980); to Helcionelloidea by Parkhaev (2004); and to Yochelcionelloidea by Parkhaev (2002) and Bouchet et al. (2005).
It was assigned to Helcionellacea by Runnegar and Jell (1980); to Helcionelloidea by Parkhaev (2004); and to Yochelcionelloidea by Parkhaev (2002) and Bouchet et al. (2005).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1980 | Stenothecinae Runnegar and Jell |
| 1980 | Stenothecidae Runnegar and Jell p. 111 |
| 1989 | Mellopegmidae Missarzhevsky |
| 2001 | Stenothecinae Parkhaev p. 181 |
| 2002 | Stenothecidae Parkhaev p. 36 |
| 2002 | Stenothecinae Parkhaev p. 36 |
| 2004 | Stenothecidae Parkhaev p. 599 |
| 2004 | Stenothecinae Parkhaev p. 599 |
| 2005 | Stenothecidae Bouchet et al. p. 241 |
| 2005 | Stenothecinae Bouchet et al. p. 241 |
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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. †Stenothecidae Runnegar and Jell 1980
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G. †Mellopegma Runnegar and Jell 1976
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†Mellopegma georginensis Runnegar and Jell 1976
†Mellopegma indecora Rozanov et al. 1969
†Mellopegma schizocheras Vendrasco et al. 2011
†Mellopegma uslonica Parkhaev 2004
G. †Pseudoscenella Starobogatov and Moskalev 1987
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†Pseudoscenella hujingtanensis Yü 1979
†Pseudoscenella levigata Parkhaev and Demidenko 2010
†Pseudoscenella manchurica Kobayashi 1933
G. †Stenotheca Hicks 1872
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†Stenotheca acutacosta Walcott 1890
†Stenotheca angusta Cobbold 1935
†Stenotheca clotho Walcott 1912
†Stenotheca cornucopia Hicks 1872
†Stenotheca higginsi Peel 2021
†Stenotheca lata Cobbold 1935
†Stenotheca norvegica Resser 1938
†Stenotheca pojetai Runnegar and Jell 1976
†Stenotheca tepee Runnegar and Jell 1976
†Stenotheca transbaikalica Parkhaev 2004
Invalid names: Mellopegmidae Missarzhevsky 1989 [synonym], Stenothecinae Runnegar and Jell 1980 [invalid subgroup], Watsonellinae Parkhaev 2002 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: base of the Meishucunian to the top of the Cressagian or 530.70000 to 482.00000 Ma
Collections (73 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | China (Yunnan) | Pseudoscenella hujingtanensis (171896) Pseudoscenella levigata (171898) | |
| Placentian | USA (Massachusetts) | Mellopegma sp. (56833 56836) | |
| Meishucunian | China (Sichuan) | Scenella hujingtanensis (107701) | |
| Meishucunian | China (Hubei) | Scenella hujingtanensis (108415) | |
| Meishucunian | China (Yunnan) | Mellopegma sp. (108309) | |
| Meishucunian - Tommotian | China (Yunnan) | Pseudoscenella levigata (96449) | |
| Tommotian | Russian Federation (Yakutiya) | Anabarella indecora (80796 96251 96391 96394) | |
| Tommotian | Russian Federation (Yakutia) | Anabarella indecora (45850 45851 45852) | |
| Tommotian | China (Hubei) | Scenella hujingtanensis (56807) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Mellopegma sp. (50420) | |
| Tommotian - Atdabanian | Canada (Nova Scotia) | Ginella acutacosta (6897) | |
| Atdabanian | USA (Massachusetts) | Ginella acutacosta (56835) | |
| Atdabanian | Australia (South Australia) | Stenotheca drepanoida (97741) | |
| Nangaoian | China (Henan) | Anabarella drepanoida (49532) Stenotheca drepanoida (96523 96525) | |
| Atdabanian - Botomian | China (Anhui) | Anabarella dreponodus (107632) | |
| Atdabanian - Lenian | Germany (Saxony) | Planutenia flectata, Planutenia inclinata (6899) | |
| Branchian | United Kingdom (England) | Anabarella indecora (79931 79939) | |
| Branchian | Canada (Newfoundland and Labrador) | Stenotheca acutacosta (99495) | |
| Botomian | Antarctica | Stenotheca sp. (199524) | |
| Botomian | Russian Federation (Chitinskaya oblast) | Mellopegma uslonica (49387) Stenotheca transbaikalica, Mellopegma uslonica (49383) | |
| Botomian | China (Shaanxi) | Stenotheca drepanoida (199515 199516) | |
| Botomian | Russian Federation (Siberia) | Mellopegma uslonicum (174258) | |
| Botomian | Australia (South Australia) | Stenotheca drepanoida (50793 96914 96915 96917 96958 96965 97700 97724 97726 97730 97751 97770 97773 97776 172616 172620) Stenotheca sp. (225121) | |
| Dyeran | USA (New York) | Stenotheca drepanoides (78762 78767) | |
| Dyeran | Canada (Quebec) | Mellopegma georginensis (78755) | |
| Dyeran | Canada (Newfoundland and Labrador) | Planutenia flectata (78749) Stenotheca sp., Planutenia flectata (50783) | |
| Dyeran | Greenland (Peary Land) | Stenotheca higginsi (210618) | |
| Dyeran | Greenland | Mellopegma sp. (225140) Stenotheca sp. (49471) | |
| Dyeran | USA (Pennsylvania) | Planutenia flectata (97879) | |
| Toyonian | Norway (Mjøsa) | Stenotheca norvegica (174259) | |
| Solvan | Australia (New South Wales) | Mellopegma sp., Stenotheca tepee, Stenotheca pojetai (56811) | |
| Middle Cambrian | Canada (British Columbia) | Mellopegma georginense (171309) | |
| St Davids | USA (Idaho/ Utah) | Stenotheca sp. (218) | |
| Templetonian | Australia (Queensland) | Mellopegma georginensis (70046) | |
| Floran | Australia (Queensland) | Mellopegma georginensis (56809) Mellopegma georginensis, Mellopegma schizocheras (93420) Mellopegma georginensis, Ribeiria junior (93407 93409) Ribeiria junior (93421) | |
| Marjumian | USA (Utah) | Mellopegma georginensis (230682) | |
| Boomerangian | New Zealand (Nelson) | Eurekapegma cooperi (7897) | |
| Cressagian | South Korea (Hwanghae-namdo) | Stenotheca manchurica (39398) |