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Helochelydridae

Osteichthyes

Synonyms
Synonymy list
YearName and author
1928Helochelydrinae Nopcsa p. 165
1966Helochelydrinae Kuhn p. 25
1996Solemydidae Lapparent de Broin and Murelaga
2000Solemydidae Pereda-Suberbiola et al.
2004Solemydidae Milner pp. 1452-1453
2012Solemydidae Pérez-García et al.
2014Solemydidae Joyce et al.
2017Helochelydridae Joyce
2021Helochelydridae Gentry and Ebersole
2022Helochelydridae Joyce

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
—Testudinata(Oppel 1811)
—Helochelydridae()
—Helochelydridae()

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.

Unr. †Helochelydridae Nopcsa 1928
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G. †Aragochersis Perez-Garcia et al. 2019
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†Aragochersis lignitesta Perez-Garcia et al. 2019
G. †Helochelydra Nopcsa 1928
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†Helochelydra anglica Lydekker 1889
†Helochelydra bakewelli Mantell 1833
†Helochelydra nopcsai Lapparent de Broin and Murelaga 1999
G. †Helochelys von Meyer 1854
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†Helochelys danubina von Meyer 1854
G. †Naomichelys Hay 1908
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G. †Plastremys Owen 1881
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†Plastremys lata Owen 1881
†Plastremys rutteri Andrews 1920
Subfm. †Solemydinae Tong et al. 2023
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G. †Solemys Lapparent de Broin and Murelaga 1996
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†Solemys gaudryi Matheron 1869
†Solemys vermiculata Lapparent de Broin and Murelaga 1996
G. †Trachydermochelys Seeley 1869
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G. †Tretosternon Owen 1842
Invalid names: Solemydidae Lapparent de Broin and Murelaga 1996 [objective synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Kiessling 2004, Carroll 1988

Age range: base of the Tithonian to the top of the Early/Lower Maastrichtian or 149.20000 to 66.00000 Ma

Collections (105 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Kimmeridgian - Early/Lower Tithonian152.21 - 145.06USA (Colorado) Solemydidae indet. (28382)
Tithonian149.2 - 143.1United Kingdom (England) Solemydidae indet. 1 (123859)
Early/Lower Berriasian - Middle Berriasian143.1 - 139.1United Kingdom (England) Tretosternon sp. (28401)
Early/Lower Berriasian - Middle Berriasian143.1 - 139.1France (Poitou-Charentes) Tretosternum sp. (61930)
Berriasian143.1 - 137.05France (Poitou-Charentes) Solemydidae indet. (142093)
Berriasian143.1 - 137.05United Kingdom (England) Tretosternum bakewelli (92915 127480)
Late/Upper Berriasian - Hauterivian139.1 - 125.77Spain (Aragon) Solemydidae indet. (232344)
Late/Upper Valanginian137.05 - 132.6United Kingdom (England) Compsemys bakewelli (123856) Tretosternon sp. (96621) Trionyx bakewelli (52258)
Valanginian137.05 - 132.6United Kingdom (England) Solemydidae indet. 2 - aff. Helochelydra nopcsai (123860) Tretosternum sp. (123855)
Valanginian - Cenomanian137.05 - 93.9USA (Montana) Naomichelys speciosa (142333)
Late/Upper Hauterivian132.6 - 125.77United Kingdom (England) Tretosternon sp. (62637 119697)
Late/Upper Hauterivian132.6 - 125.77Spain (Aragón) Helochelydra sp. (36367)
Late/Upper Hauterivian - Early/Lower Barremian132.6 - 121.4Spain (Castilla y León) Helochelydra sp., Solemydidae indet. (89271)
Late/Upper Hauterivian - Aptian132.6 - 113.2Spain (Castilla y Leon) Solemydidae indet. (89274)
Early/Lower Barremian125.77 - 121.4Spain (Aragón) Helochelydra sp. (89275)
Late/Upper Barremian125.77 - 121.4Spain (Valenciana) Helochelydra sp. (61327)
Barremian - Early/Lower Aptian125.77 - 119.57United Kingdom (England) Tretosternum sp. (92917)
Late/Upper Barremian - Early/Lower Aptian125.77 - 119.57Germany (North Rhine-Westphalia) Helochelydra sp. (152548)
Aptian121.4 - 113.2USA (Montana) Naomichelys speciosa (137606 137611)
Aptian - Early/Lower Albian121.4 - 110.1USA (Montana) Naomichelys sp. (227265) Naomichelys speciosa (230157)
Aptian - Albian121.4 - 100.5USA (Wyoming) Naomichelys speciosa (137566 137567 137577 137595)
Aptian - Albian121.4 - 100.5USA (Montana) Naomichelys speciosa (137617)
Late/Upper Aptian119.57 - 113.2USA (Idaho) Naomichelys sp. (227208)
Late/Upper Aptian119.57 - 113.2USA (Texas) Naomichelys sp. (52895)
Late/Upper Aptian119.57 - 113.2USA (Maryland) Naomichelys sp. (14376)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Texas) Naomichelys sp. (14375) Naomichelys sp., Naomichelys speciosa (14388)
Late/Upper Aptian - Early/Lower Albian119.57 - 110.1USA (Oklahoma) Naomichelys sp. (14392)
Early/Lower Albian113.2 - 110.1USA (Texas) Naomichelys sp. (137532)
Early/Lower Albian113.2 - 110.1Spain (Aragón) Aragochersis lignitesta (136754)
Early/Lower Albian - Middle Albian113.2 - 106.3Spain (Aragón) Trachydermochelys sp. (61328)
Albian113.2 - 100.5USA (Arkansas) Naomichelys sp. (55531) Testudines indet. (222851)
Albian113.2 - 100.5USA (Texas) Naomichelys sp. (52045 99144)
Albian113.2 - 100.5USA (Wyoming) Naomichelys speciosa (137562)
Albian113.2 - 100.5USA (Montana) Naomichelys speciosa (50700 50716)
Albian - Early/Lower Cenomanian113.2 - 93.9United Kingdom (England) Plastremys lata (198090)
Middle Albian - Early/Lower Cenomanian110.1 - 93.9USA (Montana) Naomichelys sp. (55246) Naomichelys speciosa (50479 50697)
Middle Albian - Early/Lower Cenomanian110.1 - 93.9USA (Wyoming) Naomichelys speciosa (50498)
Late/Upper Albian106.3 - 100.5United Kingdom (England) Helochelys danubina, Trachydermochelys phlyctaenus, Plastremys rutteri (94210)
Cenomanian100.5 - 93.9USA (Nevada) Naomichelys sp. (181586)
Cenomanian100.5 - 93.9Germany Helochelys danubina (138006)
Cenomanian100.5 - 93.9United Kingdom (Dorset) Trachydermochelys rutteri (227339)
Early/Lower Cenomanian100.5 - 93.9France (Poitou-Charentes) Solemydidae indet. (65421 77229 77230 77231 77232 77233)
Early/Lower Cenomanian100.5 - 93.9USA (Utah) Helochelydridae indet. (200123) Naomichelys sp. (22679)
Middle Cenomanian100.5 - 93.9USA (Texas) Naomichelys sp. (172153)
Middle Cenomanian - Late/Upper Cenomanian100.5 - 93.9Spain (Castilla-La Mancha) Solemydidae indet. (132494)
Turonian93.9 - 89.8Canada (British Columbia) Testudinata indet. (63084)
Coniacian - Santonian89.8 - 83.6USA (Utah) Naomichelys sp. (14393)
Late/Upper Santonian85.7 - 83.6USA (Alabama) Naomichelys sp. (221563)
Late/Upper Santonian - Early/Lower Campanian85.7 - 72.2USA (Utah) Naomichelys sp. (14409 14413)
Late/Upper Santonian - Middle Campanian85.7 - 72.2USA (Missouri) Naomichelys speciosa (45679)
Campanian83.6 - 72.2USA (New Mexico) Naomichelys sp. (240794)
Early/Lower Campanian83.6 - 72.2France (Provence-Alpes-Côte d'Azur) Solemydidae indet. (220117)
Early/Lower Campanian83.6 - 72.2France (Languedoc-Roussillon) Dermatemydidae indet. (47782)
Early/Lower Campanian83.6 - 72.2USA (Utah) Naomichelys sp. (14421 167530)
Late/Upper Campanian83.6 - 72.2France (Provence-Alpes-Côte d'Azur) Solemys gaudryi (28454) Solemys sp. (89990 220134)
Late/Upper Campanian83.6 - 72.2Mexico (Baja California) Naomichelys sp. (14456 197021) Naomichelys speciosa (197020)
Late/Upper Campanian83.6 - 72.2Spain (Castilla y Leon) Helochelydra nopcsai, Solemys vermiculata, Cryptodira indet. (28406) Solemys sp. (48861) Solemys vermiculata (28765)
Middle Campanian83.6 - 72.2France (Provence-Alpes-Côte d'Azur) Solemys sp. (48849)
Middle Campanian83.6 - 72.2Canada (Alberta) Naomichelys sp. (45564 181024)
Middle Campanian - Late/Upper Campanian83.6 - 72.2Spain (Aragón) Solemys sp. (61235)
Campanian - Maastrichtian83.6 - 66.0Spain (Vasco-Cantabrica) Solemydidae indet. (208189)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0France (Occitanie) Solemys sp. (35290)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Spain (Valencia) Solemys sp. (53918 96461)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0France (Provence-Alpes-Côte d'Azur) Solemydidae indet. (48864)
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0France (Languedoc-Roussillon) Cryptodira indet. (59686) Testudines indet. (48870)
Early/Lower Maastrichtian72.2 - 66.0Spain (Cataluña) Solemys sp. (58521)
Late/Upper Maastrichtian72.2 - 66.0Spain (Valencia) Testudines indet. (47035)
Late/Upper Maastrichtian72.2 - 66.0Spain (Burgos) Solemydidae indet. (181031)
Late/Upper Maastrichtian72.2 - 66.0France (Haute-Garonne) Solemys sp. (148954)
Late/Upper Maastrichtian72.2 - 66.0Spain (Aragón) Solemydidae indet. (45437)
Late/Upper Maastrichtian72.2 - 66.0France (Aude) Solemys sp. (28457)
Maastrichtian72.2 - 66.0France (Provence-Alpes-Côte d'Azur) Aphodidemys gaudryi (48863)