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Taxonomy
Lopha was named by Röding (1798) [Sepkoski's age data: Tr Nori-l R]. It is extant. It is the type genus of Lophinae.
It was reranked as Ostrea (Lopha) by Woodring (1925), Oostingh (1935) and Ladd and Hoffmeister (1945).
It was assigned to Ostrea by Woodring (1925), Oostingh (1935) and Ladd and Hoffmeister (1945); to Ostreidae by Lamprell and Healy (1998); to Pterioida by Sepkoski (2002); and to Lophinae by Vokes (1980), Woodring (1982), Dockery (1982), Moore (1987), Bouchet et al. (2010) and Mendir et al. (2021).
It was reranked as Ostrea (Lopha) by Woodring (1925), Oostingh (1935) and Ladd and Hoffmeister (1945).
It was assigned to Ostrea by Woodring (1925), Oostingh (1935) and Ladd and Hoffmeister (1945); to Ostreidae by Lamprell and Healy (1998); to Pterioida by Sepkoski (2002); and to Lophinae by Vokes (1980), Woodring (1982), Dockery (1982), Moore (1987), Bouchet et al. (2010) and Mendir et al. (2021).
Species
L. (Actinostreon), L. (Arctostrea), L. (Lopha), L. (Rastellum), L. blanfordi, L. chlamydoides, L. costata, L. cotteaui, L. cristagalli, L. dageensis, L. dieneri, L. engelmanni, L. eos, L. euzebioi, L. haidingeriana, L. lombardi, L. longifolium, L. mesenterica, L. murakamii, L. papieri, L. radiata, L. simplexa, L. staufferi, L. stefaninii, L. syphax, L. teranosawensis, L. vascularis, L. vulsa, L. wulanwulaensis, Ostrea (Lopha) guppyi, Ostrea (Lopha) hyotiformis, Ostrea (Lopha) larva, Ostrea (Lopha) paramegodon, Ostrea (Lopha) sechura
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1798 | Lopha Röding |
| 1925 | Ostrea (Lopha) Woodring p. 59 |
| 1935 | Ostrea (Lopha) Oostingh p. 146 |
| 1945 | Ostrea (Lopha) Ladd and Hoffmeister |
| 1980 | Lopha Vokes p. 68 |
| 1982 | Lopha Dockery p. 53 |
| 1982 | Lopha Woodring p. 613 |
| 1987 | Lopha Moore p. 24 |
| 1998 | Lopha Lamprell and Healy p. 130 |
| 2002 | Lopha Sepkoski |
| 2010 | Lopha Bouchet et al. |
| 2021 | Lopha Mendir et al. p. 6 |
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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. Lopha Röding 1798
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Subg. †Lopha (Actinostreon) Bayle 1878
Subg. †Lopha (Arctostrea) Bobkova 1961
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†Lopha (Arctostrea) luppovi Bobkova 1961
†Lopha (Arctostrea) nasuta Morton 1834
†Lopha (Arctostrea) tadjikistanica Bobkova 1961
†Lopha (Arctostrea) zeilleri Bayle 1878
Subg. Lopha (Lopha) Röding 1798
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†Lopha (Lopha) aucapitainei Coquand 1869
†Lopha (Lopha) babatagensis Bobkova 1961
†Lopha (Lopha) morgani Dоuvillé 1904
†Lopha (Lopha) veatchii Gabb 1866
†Lopha (Lopha) vicksburgensis Conrad 1848
Subg. †Lopha (Rastellum) Sowerby 1815
†Lopha blanfordi Lees 1928
†Lopha chlamydoides Martin 1922
†Lopha costata Sowerby 1825
†Lopha cotteaui Coquand 1869
Lopha cristagalli Linnaeus 1758 [Cock's Comb Oyster]
†Lopha dageensis Guo 1985
†Lopha dieneri Blanckenhorn 1890
†Lopha engelmanni Meek 1860
†Lopha eos Coquand 1869
†Lopha euzebioi Maury 1936
†Lopha haidingeriana Emmrich 1853
†Lopha lombardi Dartevelle and Freneix 1957
†Lopha longifolium Martin 1922
†Lopha mesenterica Morton 1834
†Lopha murakamii Nakazawa and Newell 1968
†Lopha papieri Thomas and Peron 1890
†Lopha radiata Lamarck 1819
†Lopha simplexa Zhang 1977
†Lopha staufferi Bergquist 1944
†Lopha stefaninii Diaz-Romero 1931
†Lopha syphax Coquand 1854
†Lopha teranosawensis Nakazawa and Newell 1968
†Lopha vascularis Lu 1981
†Lopha vulsa Chen 1976
†Lopha wulanwulaensis Sha 1995
†Ostrea (Lopha) guppyi Woodring 1925
†Ostrea (Lopha) hyotiformis Philippi 1901
†Ostrea (Lopha) larva Lamarck 1953
†Ostrea (Lopha) paramegodon Woodring 1925
†Ostrea (Lopha) sechura Olsson 1944
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 9 | 14.9 | 9.00 | 28.9 | 13.4 | 6.48 |
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2003 | |||||
Age range
Maximum range based only on fossils: base of the Kungurian to the top of the Holocene or 279.30000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 272.3 Ma
Minimum age of oldest fossil (stem group age): 272.3 Ma
Collections (459 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kungurian | Japan | L. teranosawensis (114532) | |
| Wordian | Japan | L. teranosawensis (114533) | |
| Capitanian | China (Guangdong) | L. sp. (113864) | |
| Wuchiapingian | China (Jiangsu) | L. sp. 1, L. murakamii (102128) | |
| Wuchiapingian | China (Hunan) | L. murakamii (97261 107816 107820 107826) L. simplexa (123623) L. sp. (105949) | |
| Wuchiapingian | China (Guangxi) | L. sp. (50025) | |
| Lopingian | China (Fujian) | L. sp. 2 (102120) | |
| Changhsingian | China (Yunnan) | L. dageensis (98544) | |
| Changhsingian | Japan | L. murakamii (114491) | |
| Changhsingian | China (Fujian) | L. fujianensis (111747) L. murakamii (95481 95483 95488) | |
| Olenekian | Vietnam | L. sp. (44760) | |
| Anisian | China (Guizhou) | L. sp. (42371 42375) | |
| Pelsonian - Illyrian | China (Guizhou) | L. calceoformis, L. sp. (31619 31624 31631) L. sp. (31612 31615 31617 31618 31620 31621 31622 31623 31625 31626 31627 31628 31629 31632) | |
| Carnian | Slovenia | L. sp. (85177) | |
| Late/Upper Triassic | Germany | Ostrea haidingeriana (202142) | |
| Late/Upper Triassic | China (Xizang) | L. sp. (150474) | |
| Julian | Slovenia | L. sp. (57100) | |
| Norian | China (Qinghai) | L. vascularis (200769) | |
| Norian | Canada (Yukon) | L. sp. (40763) | |
| Norian | United Arab Emirates | L. blanfordi (41201 41203) | |