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Taxonomy
Nuculopsis was named by Girty (1912) [Sepkoski's age data: C Tour-u Tr Indu-l].
It was reranked as Nucula (Nuculopsis) by Woodring (1925).
It was assigned to Nucula by Woodring (1925); to Nuculoida by Sepkoski (2002); and to Nuculidae by Vokes (1980) and Pagani and Ferrari (2011).
It was reranked as Nucula (Nuculopsis) by Woodring (1925).
It was assigned to Nucula by Woodring (1925); to Nuculoida by Sepkoski (2002); and to Nuculidae by Vokes (1980) and Pagani and Ferrari (2011).
Species
N. (Nuculopsis), N. alta, N. anthraconeiloides, N. beyrichi, N. cornutus, N. croneisi (syn. Nucula parva), N. darlingensis, N. elongata, N. fujianensis, N. girtyi (syn. N. ventricosa), N. glendonensis, N. glenparkensis, N. houghtoni (syn. Nucula iowensis), N. imperta, N. leiyangensis, N. lipoensis, N. montpelierensis, N. oviformis, N. pidhensis, N. poposiensis (syn. Nucula pulchella), N. rectangula, N. salebrosus, N. setorymensis, N. shumardana, N. shumardensis, N. triangularis, N. trivialis, N. wewokana, N. wymmensis, N. yangtzeensis, N. yuani
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Nuculopsis Girty |
| 1925 | Nucula (Nuculopsis) Woodring p. 12 |
| 1980 | Nuculopsis Vokes p. 2 |
| 2002 | Nuculopsis Sepkoski |
| 2011 | Nuculopsis Pagani and Ferrari p. 359 |
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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. †Nuculopsis Girty 1912
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†Nuculopsis alta Termier and Termier 1959
†Nuculopsis anthraconeiloides Chao 1927
†Nuculopsis beyrichi von Schauroth 1854
†Nuculopsis cornutus Dembskaja 1972
†Nuculopsis darlingensis Dickins 1963
†Nuculopsis elongata Morningstar 1922
†Nuculopsis fujianensis Wang 1993
†Nuculopsis glendonensis Dana 1849
†Nuculopsis glenparkensis Weller 1906
†Nuculopsis houghtoni Stevens 1858
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Invalid names: Nucula iowensis White and Whitfield 1862 [synonym]
†Nuculopsis imperta Waterhouse 1964
†Nuculopsis leiyangensis Liu 1976
†Nuculopsis lipoensis Grabau 1934
†Nuculopsis montpelierensis Girty 1910
†Nuculopsis oviformis Waterhouse 1964
†Nuculopsis pidhensis Reed 1936
†Nuculopsis rectangula McChesney 1860
†Nuculopsis salebrosus Dembskaja 1972
†Nuculopsis setorymensis Kurushin 1987
†Nuculopsis shumardana Hall 1856
†Nuculopsis shumardensis Hall 1856
†Nuculopsis triangularis Campbell and Engel 1963
†Nuculopsis trivialis Eichwald 1860
†Nuculopsis wewokana Girty 1915
†Nuculopsis wymmensis Keyserling 1846
†Nuculopsis yangtzeensis Frech 1911
†Nuculopsis yuani Chao 1927
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 1 | 3.60 | - | - | - | - | |
| shell height | 35 | 6.66 | 1.91 | 14.5 | 7.20 | 2.56 | |
| valve height | 55 | 3.83 | 0.733 | 11.7 | 3.90 | 2.56 |
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Mikkelsen and Bieler 2008 | |||||
Age range: base of the Emsian to the top of the Maastrichtian or 407.60000 to 66.00000 Ma
Collections (345 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Emsian | Australia (New South Wales) | N. sp. (35556 35557 35558) | |
| Eifelian | Canada (Nunavut) | N. n. sp. A, N. n. sp. B (35525 35529) | |
| Eifelian | China (Guangxi) | N. sp. (4833) | |
| Eifelian | Canada (Northwest Territories) | N. n. sp. A, N. n. sp. B (35523) | |
| Early/Lower Givetian | Canada (Northwest Territories) | N. n. sp. A (35524) | |
| Middle Givetian | Canada (Northwest Territories) | N. n. sp. A (35520) N. n. sp. A, N. n. sp. B (35519 35521) N. n. sp. B (35522) | |
| Famennian | Libya | N. sp. (36828) | |
| Hastarian | Australia (New South Wales) | N. triangularis (75621) | |
| Kinderhookian | Australia (New South Wales) | N. triangularis (75614) | |
| Kinderhookian | USA (Indiana) | N. hians (6734) N. sp., N. hians (6733) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Changhsingian | China (Hunan) | N. wymmensis (107810) | |
| Changhsingian | China (Fujian) | N. fujianensis (95487) N. wymmensis (111741 111745) | |
| Changhsingian | Italy | Nucula beyrichi (232368) | |
| Changhsingian | Pakistan | Nucula trivialis (89061) Nucula ventricosa (119554) | |
| Changhsingian | China (Guizhou) | N. piedmontia (112090) N. sp. (108544) N. sp., N. wymmensis, N. darlingensis (108546) N. wymmensis (98029 112094) N. wymmensis, N. darlingensis, N. yangtzeensis (121007) N. wymmensis, N. yangtzeensis (108547) N. yangtzeensis (121005) | |
| Changhsingian - Griesbachian | India (Kashmir) | N. sp. (50045) | |
| Griesbachian | Russian Federation | N. setorymensis (107123 221960) | |
| Olenekian | Japan | N. sp. (115242) | |
| Early/Lower Tithonian | Japan (Fukui) | N. sp. (197991) | |
| Maastrichtian | Russian Federation | Nucula elongata (1388) | |