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Eryonidae
Taxonomy
Eryonidae was named by De Haan (1841). It is not extant. Its type is Eryon.
It was assigned to Eryonoidea by Schweitzer et al. (2010) and Feldmann et al. (2013); and to Polychelida by Schweitzer and Feldmann (2023).
It was assigned to Eryonoidea by Schweitzer et al. (2010) and Feldmann et al. (2013); and to Polychelida by Schweitzer and Feldmann (2023).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1841 | Eryonidae De Haan |
| 2010 | Eryonidae Schweitzer et al. p. 43 |
| 2013 | Eryonidae Feldmann et al. p. 3 |
| 2023 | Eryonidae Schweitzer and Feldmann p. 1 |
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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. †Eryonidae De Haan 1841
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G. †Cycleryon Glaessner 1965
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†Cycleryon bourseaui Audo et al. 2013
†Cycleryon elongatus Munster 1839
†Cycleryon orbiculatus Munster 1839
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Invalid names: Eryon armatus von Knebel 1907 [synonym], Eryon subrotundus Munster 1839 [synonym]
†Cycleryon propinquus Schlotheim 1822
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Invalid names: Eryon schuberti Munster 1839 [synonym], Eryon spinimanus Germar 1827 [synonym]
†Cycleryon romani Audo et al. 2014
†Cycleryon wulfi Garassino and Schweigert 2004
Invalid names: Cyclocaris Beurlen 1930 [replaced]
G. †Eryon Desmarest 1822
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†Eryon arctiformis Schlotheim 1820
†Eryon barrovensis M'Coy 1849
†Eryon cuvieri Desmarest 1817
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Invalid names: Macrourites arctiformis von Schlotheim 1820 [synonym]
†Eryon ellipticus Van Straelen 1923
†Eryon neocomiensis Woodward 1881
†Eryon perroni Étallon 1859
†Eryon sublevis Carter 1886
G. †Knebelia Van Straelen 1922
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†Knebelia bilobata Munster 1839
Invalid names: Muensteria von Knebel 1909 [replaced]
G. †Rogeryon Schweigert and Audo 2017
G. †Rosenfeldia Garassino et al. 1996
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†Rosenfeldia oppeli Woodward 1866
†Rosenfeldia triasica Garassino et al. 1996
G. †Soleryon Audo et al. 2013
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†Soleryon amicalis Audo et al. 2013
†Soleryon perroni Audo et al. 2013
†Soleryon schorri Audo et al. 2013
G. †Stonesfielderyon Audo et al. 2020
G. †Tethyseryon Bravi et al. 2014
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: infrao = infraorder, o = order, c = class | |||||
| References: Fearon and Clapham 2023, Aberhan 1992, Turnsek 1997 | |||||
Age range
Maximum range based only on fossils: base of the Alaunian to the top of the Tortonian or 215.56000 to 7.24600 Ma
Minimum age of oldest fossil (stem group age): 212.0 Ma
Minimum age of oldest fossil (stem group age): 212.0 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Alaunian | Italy | Rosenfeldia triassica (155683 155687) | |
| Jurassic | France | Eryon perroni (139752) | |
| Jurassic | United Kingdom | Eryon propinquus (134734) Eryon propinquus, Eryon redenbacheri, Eryon gartmanni, Eryon edwardsii, Eryon escheri, Eryon barroviensis, Eryon schuberti, Eryon elongatus, Eryon orbiculatus, Eryon arctiformis, Eryon neocomiensis, Eryon bilobatus, Eryon oppeli, Eryon spinimanus (135540) | |
| Early/Lower Hettangian | United Kingdom (England) | Eryon barrovensis (139785) | |
| Liasicus | Canada (British Columbia) | Wrangelleryon perates (140629) | |
| Middle Hettangian | Switzerland | Eryon sp. (61725) | |
| Early/Lower Callovian | France | Cycleryon giganteus, Eryon ellipticus, Cycleryon romani, Voulteryon parvulus (58221) | |
| Early/Lower Oxfordian | France | Eryon perroni (226086) | |
| Early/Lower Oxfordian | United Kingdom (England) | Eryon sublevis (93210) | |
| Late/Upper Kimmeridgian | Germany (Bavaria) | Eryon arctiformis, Soleryon schorri (132944) | |
| Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | Cycleryon orbiculatus, Cycleryon propinquus (154138) | |
| Late/Upper Kimmeridgian | France (Ain) | Soleryon amicalis, Cycleryon bourseaui (228752) | |
| Late/Upper Kimmeridgian - Early/Lower Tithonian | Germany (Bayern) | Rosenfeldia oppeli (228758) | |
| Early/Lower Tithonian | France (Provence-Alpes-Côte d'Azur) | Cycleryon bourseaui (35262) | |
| Early/Lower Tithonian | Germany (Bayern) | Cycleryon wulfi (152883) Eryon arctiformis, Cycleryon elongatus, Cycleryon orbiculatus, Cycleryon propinquus, Knebelia bilobata (105541) | |
| Berriasian - Hauterivian | Switzerland (Fribourg) | Eryon spp. (233996) | |
| Tortonian | Dominican Republic | Eryonidae indet. (58817) |