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Leptochondria
Taxonomy
Leptochondria was named by Bittner (1891) [Sepkoski's age data: P Guad Tr Nori Sepkoski's reference number: 94,524]. It is not extant. Its type is Pecten aeolicus.
It was reranked as Pecten (Leptochondria) by Bittner (1891).
It was assigned to Pecten by Bittner (1891); to Aviculopectininae by Vokes (1980); to Pterioida by Sepkoski (2002); to Asoellidae by Hautmann et al. (2013); and to Leptochondriidae by Newell and Boyd (1995), Bouchet et al. (2010), Ros-Franch et al. (2014).
It was reranked as Pecten (Leptochondria) by Bittner (1891).
It was assigned to Pecten by Bittner (1891); to Aviculopectininae by Vokes (1980); to Pterioida by Sepkoski (2002); to Asoellidae by Hautmann et al. (2013); and to Leptochondriidae by Newell and Boyd (1995), Bouchet et al. (2010), Ros-Franch et al. (2014).
Species
L. aeolicus, L. albertii (syn. Pecten inaequistriatus), L. asiatica, L. bittneri, L. curtocardinalis (syn. Aviculopecten landerensis, Monotis bregeri, L. thaynesiana), L. dagestanica, L. fenghaiensis, L. hataii, L. illyrica, L. intermedia, L. jiaheensis, L. lichuanensis, L. minima, L. nuetzeli, L. occidanea (syn. Aviculopecten superstrictus, Aviculopecten weberensis, Monotis parksi, Aviculopecten parvulus), L. pervulgata, L. prosoclinus, L. pyriformis, L. separata, L. shoshonensis, L. simensis, L. viezzenensis, L. virgalensis, L. xijinwulanensis, L. zhenjiangensis, Orientopecten gujoensis, Pecten (Leptochondria) aeolicus
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1891 | Leptochondria Bittner |
| 1891 | Pecten (Leptochondria) Bittner |
| 1980 | Leptochondria Vokes p. 47 |
| 1995 | Orientopecten Li p. 361 |
| 1995 | Orientopecten gujoensis Li p. 361 |
| 1995 | Leptochondria Newell and Boyd p. 69 |
| 2002 | Leptochondria Sepkoski |
| 2010 | Leptochondria Bouchet et al. |
| 2013 | Leptochondria Hautmann et al. p. 274 |
| 2014 | Leptochondria Ros-Franch 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.
G. †Leptochondria Bittner 1891
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†Leptochondria aeolicus Bittner 1891
†Leptochondria albertii Goldfuss 1838
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Invalid names: Pecten inaequistriatus Goldfuss 1838 [synonym]
†Leptochondria asiatica Kurushin 1998
†Leptochondria bittneri Kiparisova 1938
†Leptochondria curtocardinalis Hall and Whitfield 1877
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Invalid names: Aviculopecten landerensis Branson 1930 [synonym], Leptochondria thaynesiana Girty 1927 [synonym], Monotis bregeri Girty 1927 [synonym]
†Leptochondria dagestanica Gavrilova 1995
†Leptochondria fenghaiensis Li 1995
†Leptochondria hataii Murata 1973
†Leptochondria illyrica Bittner 1901
†Leptochondria intermedia Yin 1983
†Leptochondria jiaheensis Zhang 1981
†Leptochondria lichuanensis Zhang 1977
†Leptochondria minima Kiparisova 1938
†Leptochondria nuetzeli Hautmann et al. 2013
†Leptochondria occidanea Meek 1877
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Invalid names: Aviculopecten parvulus Hall and Whitfield 1877 [synonym], Aviculopecten superstrictus White 1879 [synonym], Aviculopecten weberensis Hall and Whitfield 1877 [synonym], Monotis parksi Girty 1927 [synonym]
†Leptochondria pervulgata Bittner 1902
†Leptochondria prosoclinus Li 1995
†Leptochondria pyriformis Zhang 1981
†Leptochondria separata Reis 1926
†Leptochondria shoshonensis Waller 2005
†Leptochondria simensis Licharew 1927
†Leptochondria viezzenensis Wilckens 1909
†Leptochondria virgalensis Wittenburg 1908
†Leptochondria xijinwulanensis Sha 1995
†Leptochondria zhenjiangensis Li et al. 1982
†Pecten (Leptochondria) aeolicus Bittner 1891
Invalid names: Orientopecten Li 1995 [synonym], Orientopecten gujoensis Li 1995 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 14.5 | 7.40 | 24.1 | 14.8 | 5.28 | |
| valve height | 104 | 9.80 | 0.920 | 27.0 | 9.93 | 4.82 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Collections (395 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gzhelian - Asselian | Russian Federation | L. simensis (202199) | |
| Wuchiapingian | Malaysia (Pahang) | L. sp. (115251) | |
| Wuchiapingian | China (Hunan) | L. sp., L. jiaheensis, L. pyriformis (121731) | |
| Wuchiapingian | China (Jiangsu) | L. zhenjiangensis (102128) | |
| Wuchiapingian | China (Hubei) | L. lichuanensis (123593) | |
| Lopingian | USA (Wyoming) | Aviculopecten landerensis (87153) Monotis landerensis (105359) | |
| Changhsingian | China (Guizhou) | L. intermedia (82631) L. virgalensis (108551) | |
| Changhsingian | China (Guangxi) | L. intermedia (52902 95337 121424) | |
| Changhsingian | Japan | L. sp. a, L. sp. b (114491) | |
| Changhsingian | China (Chongqing) | L. virgalensis (94989) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Ladinian | Germany (Thuringia) | Pecten alberti (89457) | |
| Julian | Italy (Belluno) | L. sp. (207475 207478) | |
| Julian | Italy | L. sp. (69681) | |
| Carnian | Spain | L. alberti (61741) | |
| Carnian | Slovenia | Pseudomonotis illyrica (206261) | |
| Late/Upper Triassic | Türkiye (Balıkesir) | Pecten aeolicus (201908) | |
| Norian | Russian Federation (Primorskiy Kray) | L. albertii (97858 97859) | |
| Norian | Peru | L. pascoensis (71786) | |
| Norian | Colombia (Tolima) | L. sp. (101058) | |
| Bajocian | China | L. sp. (225728) | |