| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Stenothecidae
Taxonomy
Stenothecidae was named by Runnegar and Jell (1980). Its type is Stenotheca.
It was assigned to Helcionellacea by Runnegar and Jell (1980); to Helcionelloidea by Parkhaev (2004); to Yochelcionelloidea by Parkhaev (2002), Bouchet et al. (2005); and to Helcionelloida by Ebbestad et al. (2024).
It was assigned to Helcionellacea by Runnegar and Jell (1980); to Helcionelloidea by Parkhaev (2004); to Yochelcionelloidea by Parkhaev (2002), Bouchet et al. (2005); and to Helcionelloida by Ebbestad et al. (2024).
Synonyms
|
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 |
| 2024 | Stenothecidae Ebbestad et al. p. 1879 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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
show all | hide all
G. †Mellopegma Runnegar and Jell 1976
+
†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
+
†Pseudoscenella hujingtanensis Yü 1979
†Pseudoscenella levigata Parkhaev and Demidenko 2010
†Pseudoscenella manchurica Kobayashi 1933
G. †Stenotheca Hicks 1872
+
†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
G. †Watsonella Grabau 1900
+
†Watsonella crosbyi Grabau 1900
+
Invalid names: Heraultia varensalensis Cobbold 1935 [synonym], Watsonella sibirica Missarzhevsky 1974 [synonym], Watsonella yunnanensis He and Yang 1982 [synonym]
†Watsonella terranovica Matthew 1899
Invalid names: Heraultia Cobbold 1935 [synonym], Heraultipegma Pojeta and Runnegar 1976 [synonym]
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
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
| Source: f = family, c = class | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: base of the Stage 2 to the top of the Cressagian or 529.00000 to 481.10000 Ma
Collections (150 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | Russian Federation (Siberia) | Heraultipegma sp., Heraultipegma sibirica (50419) | |
| Nemakit-Daldynian | China (Yunnan) | Pseudoscenella hujingtanensis (171896) Pseudoscenella levigata (171898) | |
| Nemakit-Daldynian - Tommotian | Russian Federation (Sakha) | Heraultipegma sp. (99229) | |
| Placentian | USA (Massachusetts) | Mellopegma sp. (56833 56836) Watsonella crosbyi (56829) | |
| Meishucunian | China (Sichuan) | Scenella hujingtanensis (107701) | |
| Meishucunian | China (Shaanxi) | Heraultipegma sp. (107775) Heraultipegma varensalensis (107790) | |
| Meishucunian | China (Hubei) | Heraultipegma varensalensis (107636) Scenella hujingtanensis (108415) | |
| Meishucunian | China (Yunnan) | Heraultipegma yunnanensis (96290 108310 108311) Mellopegma sp., Heraultipegma yunnanensis (108309) Watsonella crosbyi (108764 201523 201552 201556 201559 201561 201562 201564 201565 201574 201576 201577 201578 201579 201580 201581 201586 201587 201588 201590) | |
| Meishucunian - Tommotian | China (Yunnan) | Heraultipegma yunnanensis (86664 96284 96285 96286 96287 96288 96289 96303) Pseudoscenella levigata (96449) | |
| Stage 2 | France (Herault) | Watsonella crosbyi (239269 239438) | |
| Stage 2 | France (Heraultia) | Watsonella crosbyi (234355) | |
| Tommotian | USA (Massachusetts) | Watsonella crosbyi (56830) | |
| Tommotian | China (Hubei) | Scenella hujingtanensis (56807) | |
| Tommotian | Russian Federation (Khabarovsk Krai) | Heraultipegma sibirica (50314) Mellopegma sp., Heraultipegma sibirica (50420) | |
| Tommotian | China (Shaanxi) | Watsonella crosbyi (86665) | |
| Tommotian | Saint Pierre and Miquelon | Watsonella crosbyi (209143) | |
| Tommotian | Russian Federation | Heraultipegma sibirica (90089) | |
| Tommotian | Canada (Newfoundland and Labrador) | Watsonella crosbyi (56958 56960 87109 87112 87322 87323 87324 87325 87327 87328 87330 87332 87334 87353 87355 87359 87361 87363 87364 87365) | |
| Tommotian | Russian Federation (Krasnoyarsk Krai) | Watsonella crosbyi (233206) | |
| Tommotian | Russian Federation (Siberia) | Heraultipegma sibirica (50321) | |
| Tommotian | Russian Federation (Yakutia) | Anabarella indecora (45850 45851 45852) | |
| Tommotian | China (Yunnan) | Watsonella yunnanensis (49683) | |
| Tommotian | Russian Federation (Sakha) | Watsonella crosbyi (233167 233169) | |
| Tommotian | Russian Federation (Yakutiya) | Anabarella indecora (96391) Anabarella indecora, Watsonella sibirica (80796) Heraultia sibirica, Anabarella indecora (96251 96394) Watsonella sibirica (80809 80812) | |
| Tommotian - Atdabanian | Canada (Nova Scotia) | Ginella acutacosta, Watsonella terranovica (6897) | |
| Atdabanian | Australia (South Australia) | Stenotheca drepanoida (97741) | |
| Atdabanian | USA (Massachusetts) | Ginella acutacosta (56835) | |
| 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) | |
| Montezuman | USA (Nevada) | Watsonella sp. (10551) | |
| Branchian | Canada (Newfoundland and Labrador) | Stenotheca acutacosta (99495) | |
| Branchian | United Kingdom (England) | Anabarella indecora (79931 79939) | |
| Botomian | Russian Federation (Chitinskaya oblast) | Mellopegma uslonica (49387) Stenotheca transbaikalica, Mellopegma uslonica (49383) | |
| Botomian | Russian Federation (Siberia) | Mellopegma uslonicum (174258) | |
| Botomian | Australia (South Australia) | Stenotheca drepanoida (50793 96914 96915 96917 96958 96965 97724 97726 97730 97751 97770 97773 97776 172616 172620) Stenotheca drepanoida, Watsonella crosbyi (97700) Stenotheca sp. (225121) Watsonella crosbyi (97701 97717) | |
| Botomian | China (Shaanxi) | Stenotheca drepanoida (199515 199516) | |
| Botomian | Antarctica | Stenotheca sp. (199524) | |
| Dyeran | USA (New York) | Stenotheca drepanoides (78762 78767) | |
| Dyeran | Canada (Newfoundland and Labrador) | Planutenia flectata (78749) Stenotheca sp., Planutenia flectata (50783) | |
| Dyeran | Canada (Quebec) | Mellopegma georginensis (78755) | |
| Dyeran | Greenland | Mellopegma sp. (225140) Stenotheca sp. (49471) | |
| Dyeran | USA (Pennsylvania) | Planutenia flectata (97879) | |
| Dyeran | Greenland (Peary Land) | Stenotheca higginsi (210618) | |
| Stage 4 | Sweden | Stenotheca norvegica (236571 236573) | |
| Toyonian | Norway (Mjøsa) | Stenotheca norvegica (174259) | |
| Ordian | Australia (New South Wales) | Mellopegma sp., Stenotheca tepee, Stenotheca pojetai (56811) | |
| Templetonian | Australia (Queensland) | Mellopegma georginensis (70046) | |
| Middle Cambrian | Canada (British Columbia) | Mellopegma georginense (171309) | |
| St Davids | USA (Idaho/ Utah) | Stenotheca sp. (218) | |
| 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) |