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Arthrostylidae
Taxonomy
Arthrostylidae was named by Ulrich (1882). Its type is Arthrostylus.
It was assigned to Rhabdomesoidae by Astrova and Morozova (1956); to Cryptostomata by Bassler (1911), Bassler (1953), Ross (1963); and to Rhabdomesina by Lobdell (1992), Sakagami (1998), Jiménez-Sánchez (2009), Ernst et al. (2015).
It was assigned to Rhabdomesoidae by Astrova and Morozova (1956); to Cryptostomata by Bassler (1911), Bassler (1953), Ross (1963); and to Rhabdomesina by Lobdell (1992), Sakagami (1998), Jiménez-Sánchez (2009), Ernst et al. (2015).
Synonymy list
| Year | Name and author |
|---|---|
| 1882 | Arthrostylidae Ulrich |
| 1911 | Arthrostylidae Bassler |
| 1953 | Arthrostylidae Bassler p. G128 |
| 1956 | Arthrostylidae Astrova and Morozova p. 664 |
| 1963 | Arthrostylidae Ross |
| 1992 | Arthrostylidae Lobdell |
| 1998 | Arthrostylidae Sakagami p. 85 |
| 2009 | Arthrostylidae Jiménez-Sánchez |
| 2015 | Arthrostylidae Ernst 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. †Arthrostylidae Ulrich 1882
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G. †Arthroclema Billings 1862
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†Arthroclema armatum Ulrich 1890
†Arthroclema brevis Lobdell 1992
†Arthroclema pentagonalis Lobdell 1992
†Arthroclema pulchellum Billings 1862
G. †Arthrostyloecia
G. †Arthrostylus Ulrich 1888
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†Arthrostylus conjunctus Ulrich 1890
†Arthrostylus obliquus Ulrich 1890
G. †Cuneatopora Siegfried 1963
G. †Heloclema
G. †Heminematopora Bassler 1952
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†Heminematopora gaetula Ernst et al. 2015
†Heminematopora virginiana Bassler 1952
G. †Moyerella Nekhoroshev 1956
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†Moyerella parva Ernst et al. 2019
†Moyerella spinata Ernst and Carrera 2008
†Moyerella stellata Nekhoroshev 1956
G. †Nematopora Ulrich 1888
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†Neamatopora sublineata Mannil 1959
†Nematopora afghana Termier and Termier 1971
†Nematopora consueta Bassler 1911
†Nematopora fragilis Ulrich 1890
†Nematopora hibernica Wyse Jackson 1996
†Nematopora lineata Billings 1866
†Nematopora ovalis Ulrich 1890
†Nematopora sublineata Mannil 1959
G. †Nematoporella Lobdell 1992
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†Nematoporella falcata Lobdell 1992
†Nematoporella ulrichi Lobdell 1992
G. †Paracuneatopora Ernst 2008
G. †Permoheloclema Ozhgibesov 1983
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†Permoheloclema dunaevae Ozhgibesov 1983
†Permoheloclema merum Ozhgibesov 1983
†Permoheloclema porifera Fritz 1932
G. †Sceptropora Ulrich 1888
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†Sceptropora estoniensis Brood 1980
†Sceptropora facula Ulrich 1888
†Sceptropora florida Kiepura 1962
†Sceptropora francisca Bassler 1911
G. †Ulrichostylus Bassler 1952
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†Ulrichostylus costatus Lobdell 1992
†Ulrichostylus dakotensis Lobdell 1992
†Ulrichostylus divaricatus Ulrich 1886
†Ulrichostylus radiatus Conti 1990
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum, uc = unranked clade | |||||
| References: Smith et al. 2006, Nesnidal et al. 2013, Kiessling 2004 | |||||
Age range: base of the Middle Ordovician to the top of the Wuchiapingian or 470.00000 to 254.17000 Ma
Collections (266 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Volkhov | Estonia | Arthroclema armatum (167569) | |
| Middle Ordovician | USA (New York) | Arthroclema sp., Helopora sp. (334) Nematopora sp., Ulrichostylus sp. (333 430) | |
| Chazyan | USA (Vermont) | Helopora sp. (172671 172754) | |
| Chazyan | Canada (Northwest Territories) | Helopora sp., Nematopora sp., Ulrichostylus sp. (315) Helopora spp. (24621) Nematopora sp., Ulrichostylus sp. (314) Ulrichostylus sp. (312 313) | |
| Lasnamagi - Uhaku | Russian Federation (Oblast) | Arthrostylus obliquus (167638) | |
| Sandbian | Argentina (San Juan) | Arthroclema sp. A (226179) | |
| Caradoc | USA (Virginia) | Glauconome sp. (326 33454 33455 33525 33526) | |
| Caradoc | USA (Georgia) | Helopora sp. (32779 32783 32787 32791 32798) Helopora spiniformis (33103 33104 33105 33106 33107) Helopora spiniformis, Arthroclema armatum (32880 32881 32882 33065) | |
| Caradoc | USA (Tennessee) | Helopora sp. (80105 80106 80107 80108 80594 80597) | |
| Caradoc | Argentina | Moyerella spinata (84869) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Brigantian | United Kingdom (Scotland) | Heminematopora sp. (6431 6445 6448) | |
| Brigantian | Spain | Pseudonematopora planatus (229074 229075) | |
| Artinskian | Svalbard and Jan Mayen | Permoheloclema merum (90180 90181 90186 115598) Permoheloclema sp. (90174) | |
| Artinskian | Russian Federation | Permoheloclema dunaevae (89368 89369 116065) Permoheloclema perforatum (144314) | |
| Artinskian | Canada (Nunavut) | Permoheloclema merum (88413 88414) Permoheloclema sp. (88412) Pseudonematopora sp. (107628) | |
| Artinskian | Canada (British Columbia) | Rhombopora porifera (82123) | |
| Roadian | Russian Federation | Permoheloclema merum (88930 109971 113500 113506 116064) | |
| Wordian | USA (Washington) | Nematopora sp. (8523) | |
| Wuchiapingian | Greenland | Permoheloclema sp. (117964 117966 117967 117968 117970) | |
| Wuchiapingian | Pakistan (Punjab) | Nematopora sp. (63902) | |