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Leptestiidae
Taxonomy
Leptestiidae was named by Opik (1933). Its type is Leptestia.
It was assigned to Plectambonitacea by Neuman and Bruton (1974) and Mitchell (1977); to Strophomenoidea by Cocks (2005); and to Plectambonitoidea by Jin and Chatterton (1997), Williams et al. (2000), Musteikis and Cocks (2004), Cocks (2010), Rubel (2011), Congreve et al. (2015), Hints and Harper (2015), Paškevičius and Hints (2016) and Liljeroth et al. (2017).
It was assigned to Plectambonitacea by Neuman and Bruton (1974) and Mitchell (1977); to Strophomenoidea by Cocks (2005); and to Plectambonitoidea by Jin and Chatterton (1997), Williams et al. (2000), Musteikis and Cocks (2004), Cocks (2010), Rubel (2011), Congreve et al. (2015), Hints and Harper (2015), Paškevičius and Hints (2016) and Liljeroth et al. (2017).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Leptestiidae Opik |
| 1974 | Leptestiidae Neuman and Bruton |
| 1977 | Leptestiidae Mitchell |
| 1997 | Leptestiidae Jin and Chatterton |
| 2000 | Leptestiidae Williams et al. p. 331 |
| 2004 | Leptestiidae Musteikis and Cocks |
| 2005 | Leptestiidae Cocks p. 272 |
| 2010 | Leptestiidae Cocks |
| 2011 | Leptestiidae Rubel |
| 2015 | Leptestiidae Congreve et al. p. 752 |
| 2015 | Leptestiidae Hints and Harper |
| 2016 | Leptestiidae Paškevičius and Hints |
| 2017 | Leptestiidae Liljeroth 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. †Leptestiidae Opik 1933
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G. †Bilobia Cooper 1956
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†Bilobia alichovae Madison 2017
†Bilobia etheridgei Davidson 1883
†Bilobia etheridgei acuta Williams 1962
†Bilobia musca Öpik 1930
†Bilobia pisum Ruedemann 1901
†Bilobia rosendahli Spjeldnaes 1957
†Bilobia virginiensis Cooper 1956
†Bilobia yichangensis Zeng 1987
G. †Leangella Opik 1933
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Subg. †Leangella (Leangella) Opik 1933
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†Leangella (Leangella) america Benedetto and Cocks 2009
†Leangella (Leangella) anatoli Spjeldnaes 1957
†Leangella (Leangella) bakanasensis Popov and Cocks 2014
†Leangella (Leangella) discuneata Lamont 1935
†Leangella (Leangella) fecunda Villas et al. 2002
†Leangella (Leangella) hamari Spjeldnaes 1957
†Leangella (Leangella) longae Cocks 2005
†Leangella (Leangella) paletsae Popov and Cocks 2006
†Leangella (Leangella) scissa Davidson 1871
†Leangella (Leangella) segmentum Lindstrom 1861
†Leangella (Leangella) septata Cooper 1930
†Leangella (Leangella) sholeshookensis Jones 1928
†Leangella (Leangella) yichangensis Chang 1983
†Leangella cylindrica Reed 1917
†Leangella scissa Davidson 1871
†Leangella scissa triangularis Holtedahl 1916
†Leangella triangularis Holtedahl 1916
Invalid names: Diambonia Cooper and Kindle 1936 [synonym], Leangella Opik 1933 [synonym], Opikella [synonym]
G. †Leptestiina Opik 1933
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†Leangella (Leptestiina) derfelensis oepiki Whittington 1938
†Leptestiina derfelensis Jones 1928
†Leptestiina indentata Spjeldnaes 1957
†Leptestiina oepiki Whittington 1938
†Leptestiina prantli Havlicek 1952
G. †Rurambonites
G. †Sampo Opik 1933
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Subg. †Sampo (Sampo) Opik 1933
†Sampo hiiuensis mucronata Opik 1933
†Sampo ruralis Reed 1917
†Sampo suduvensis Paškevičius and Hints 2016
†Sampo transversa Cocks 2014
Invalid names: Isophragmatinae Cooper 1956 [empty], Isopiiragmatinae Cooper 1956 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Collections (620 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Abereiddian | Kazakhstan | Bekella paula (165556 165591 165594 165616 165617) | |
| Early/Lower Llanvirn | China (Yunnan) | Leptestia sp. (5423) | |
| Darriwilian | China (Yunnan) | Leptestiina veturna (54187) | |
| Early/Lower Llandeilo | China (Hubei) | Bilobia sp., Leangella sp. (4711) | |
| Early/Lower Llandeilo | Sweden | Bilobia sp. (2932) Bilobia sp., Leptestia sp. (2930) | |
| Aseri | Estonia | Leptestia humboldti (56200) | |
| Lasnamagi | Estonia | Leptestia musculosa (56210) | |
| Lasnamagi | Sweden (Siljan) | Leptestia sp. (2943) | |
| Late/Upper Llanvirn | Sweden | Bilobia sp. (2931) Leptestia sp. (2942) | |
| Late/Upper Llandeilo | China (AnHui) | Bilobia sp. (7838) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Homerian | United Kingdom (England) | Leangella segmentum (229059) Leangella sp. (23285) | |
| Homerian | Czech Republic | Leangella tufogena (14095) | |
| Homerian | Lithuania | Leangella segmentum (192648 192994 207379 207380 207381) | |
| Homerian - Jaagarahu | Lithuania | Leangella segmentum (192580 192583) | |
| Jaagarahu | Estonia | Leangella sp. (13734) | |
| Jaagarahu | Lithuania | Leangella segmentum (192559) | |
| Gorstian | United Kingdom (England) | Leangella sp. (23178) | |
| Ludlow | Kazakhstan | Leangella segmentum (23754) | |
| Ludlow | USA (Missouri) | Leangella sp. (26822) | |
| Ludlow | Lithuania | Leangella segmentum (195446) | |