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Eurydesmatidae
Taxonomy
Eurydesmidae was named by Reed (1932). Its type is Eurydesma.
It was corrected as Eurydesmatidae by Bouchet et al. (2010), Carter et al. (2011).
It was assigned to Pteriina by Carter (1990); to Pteriomorphia by Begg and Ballard (1991); to Ambonychioidea by Nevesskaja (2009); to Buchioidea by Bouchet et al. (2010); and to Eurydesmatoidea by Carter et al. (2011).
It was corrected as Eurydesmatidae by Bouchet et al. (2010), Carter et al. (2011).
It was assigned to Pteriina by Carter (1990); to Pteriomorphia by Begg and Ballard (1991); to Ambonychioidea by Nevesskaja (2009); to Buchioidea by Bouchet et al. (2010); and to Eurydesmatoidea by Carter et al. (2011).
Subtaxa
Eurydesma (syn. Leiomyalina) (type genus), Glendella
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Eurydesmidae Reed |
| 1990 | Eurydesmidae Carter |
| 1991 | Eurydesmidae Begg and Ballard p. 150 |
| 2009 | Eurydesmidae Nevesskaja |
| 2010 | Eurydesmatidae Bouchet et al. |
| 2011 | Eurydesmatidae Carter et al. p. 11 |
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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. †Eurydesmatidae Reed 1932
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G. †Eurydesma Morris 1845
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†Eurydesma alisulcatum Waterhouse 1987
†Eurydesma altum Harrington 1955
†Eurydesma amygdalinum Reed 1936
†Eurydesma austini Sahni and Srivastava 1956
†Eurydesma burnettensis Waterhouse 1986
†Eurydesma compressa Reed 1932
†Eurydesma cordatum Morris 1845
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Invalid names: Eurydesma elliptica Dana 1847 [synonym], Eurydesma globosa Dana 1847 [synonym], Pachydomus sacculus M'Coy 1847 [synonym]
†Eurydesma hobartense Johnston 1887
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†Eurydesma hobartense konincki Johnston 1887
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Invalid names: Myalina (Leiomyalina) antarctica Frech 1891 [synonym], Notomya beddomei Johnston 1887 [synonym], Notomya gouldii Johnston 1887 [synonym]
†Eurydesma hobartense rotundatum Reed 1936
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Invalid names: Eurydesma aequale Reed 1936 [synonym], Eurydesma demissum Reed 1936 [synonym], Eurydesma hobartense bigener Reed 1936 [synonym], Eurydesma obscurum Reed 1936 [synonym]
†Eurydesma inflatum Liu 1976
†Eurydesma manendragarhensis Sahni and Dutt 1959
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Invalid names: Eurydesma hesdoensis Sahni and Dutt 1959 [synonym]
†Eurydesma mytiloides Reed 1932
†Eurydesma pertenue Reed 1936
†Eurydesma perversum Reed 1936
†Eurydesma playfordi Dickins 1957
†Eurydesma punjabicum Reed 1936
†Eurydesma punjabicum elongata Reed 1936
†Eurydesma subdepressa Sahni and Srivastava 1956
†Eurydesma subobliquum Reed 1936
†Eurydesma subovatum Reed 1936
†Eurydesma subtriangularis Sahni and Srivastava 1956
†Eurydesma sulcatum Waterhouse 1987
Invalid names: Leiomyalina Frech 1891 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
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| valve height | 1 | 86.0 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Llandovery to the top of the Wordian or 443.10000 to 264.28000 Ma
Collections (154 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | Canada (Ontario) | Eurydesma sp. (444) | |
| Carboniferous - Permian | India (Madhya Pradesh) | Eurydesma sp. (46155) | |
| Asselian | Afghanistan | Eurydesma mytiloides (88265) | |
| Asselian | China (Xizang) | Eurydesma perversum (97288) | |
| Asselian | India | Eurydesma austini, Eurydesma subtriangularis (116801) Eurydesma mytiloides, Eurydesma globosa, Eurydesma subdepressa (116802) Eurydesma playfordi, Eurydesma hobartense, Eurydesma manendragarhensis, Eurydesma hesdoensis (116800) Eurydesma sp. (108742) | |
| Asselian | Australia (Tasmania) | Eurydesma hobartense (144861) Eurydesma hobartensis (105477) | |
| Asselian | Australia (Queensland) | Eurydesma playfordi (58078) | |
| Asselian | Pakistan | Eurydesma cordatum, Eurydesma mytiloides, Eurydesma perversum, Eurydesma subovatum, Eurydesma demissum, Eurydesma punjabicum, Eurydesma aequale, Eurydesma obscurum, Eurydesma subobliquum, Eurydesma pertenue, Eurydesma amygdalinum, Eurydesma hobartense, Eurydesma hobartense, Eurydesma punjabicum (116446) | |
| Permian | India (Himachal Pradesh) | Eurydesma cordatum (46394) | |
| Sakmarian | China (Xizang) | Eurydesma mytiloides, Eurydesma globosum, Eurydesma playfordi, Eurydesma subovatum (97289) | |
| Sakmarian | Namibia | Eurydesma mytiloides (41322) | |
| Sakmarian | New Zealand | Eurydesmidae indet. (62063) | |
| Sakmarian | India (Kashmir) | Eurydesma mytiloides (86534) Eurydesma sp., Eurydesma compressa, Pachydomus sacculus (86545) Eurydesma sp., Eurydesma mytiloides, Eurydesma globosum, Eurydesma compressa (86536) | |
| Sakmarian | Argentina | Eurydesma altum (132805) Eurydesma cordatum (91638) Eurydesma hobartense (116710) Eurydesma mytiloides, Eurydesma altum (132804) Eurydesma mytiloides, Eurydesma hobartense, Eurydesma altum (132803) | |
| Sakmarian | Australia (Queensland) | Eurydesma hobartense (134045 144839 144840 144841 144842 144843) Eurydesma playfordi (58079 58080 144844) Eurydesma sp. (144905 144906 144907) | |
| Sakmarian | Australia (New South Wales) | Eurydesma cordata (133750) Eurydesma cordatum (101575 133744 144835 144837 144838 144851 144853 144877 144878 144896 144897 214494 214495 214497) Eurydesma globosa, Eurydesma elliptica, Eurydesma cordata, Eurydesma sacculus (119250) Eurydesma hobartense (134517 144900) Eurydesma indet. (152058) Eurydesma sp. (144904) Isocardia sp. (120458) | |
| Sakmarian | Australia (Western Australia) | Eurydesma playfordi (87352 95197 107309 107310 107312) | |
| Sakmarian | Australia (Tasmania) | Eurydesma cordatum (105476 105488 105493 105499) Eurydesma cordatum, Eurydesma hobartense (144834) Eurydesma hobartensis (105478 105489) Eurydesma sp. (105484 133745) Myalina antarctica (144876) Pachydomus hobartensis, Pachydomus konincki, Notomya gouldii (144866) Pachydomus konincki (144868 144869 144871) | |
| Sakmarian - Artinskian | Australia (New South Wales) | Eurydesma cordatum (144882 144883) | |
| Sakmarian - Artinskian | Australia (Tasmania) | Pachydomus hobartensis (144874) Pachydomus konincki (144872 144873) | |
| Sakmarian - Artinskian | Australia (Queensland) | Eurydesma cordatum (144892 144893) | |
| Artinskian | Australia (New South Wales) | Eurydesma cordatum (132483 144852 144880 144884 144885 144886 144887 144888 144889 144890 144891) Eurydesma hobartense (144854 144875) | |
| Artinskian | Australia (Queensland) | Eurydesma cordatum (66207 66208 66209 66210 66215 66218 66219) Eurydesma hobartense (83200 85046 85047 85053 85855 85856 85858 85875 85877 85886 135931 144836 144846 144901 144902 144903) Eurydesma sp. (66234 85878 144908) Eurydesma sulcatum (66262 66264 66265 66269 66271 66272 66273) | |
| Artinskian | Australia (Western Australia) | Eurydesma hobartense (85888) | |
| Kungurian | Australia (Queensland) | Eurydesma hobartense (83271 85863) Eurydesma sp. (66227 66228 66231 66233 102837 102838) Glendella dickinsi (103105 116740) | |
| Kungurian | Australia (Tasmania) | Eurydesma hobartense (144850) Eurydesma sacculum, Eurydesma hobartensis (105425) Pachydomus konincki, Notomya beddomei (120684) | |
| Roadian | Australia (New South Wales) | Eurydesma hobartense (82848 105152 144895) | |
| Roadian | Australia (Queensland) | Glendella dickinsi (105126 105129 144855 144856 144857 144858 144859) | |
| Wordian | Australia (New South Wales) | Pachydomus sacculus (133342) |