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Congroidei
Taxonomy
Congroidei was named by Regan (1909). It is extant.
It was reranked as the unranked clade Congroidei by Jordan (1963).
It was assigned to Enchelycephali by Jordan (1963); to Apodes by Schwarzhans (1978); and to Anguilliformes by Schwarzhans and Bratischko (2011), Nelson et al. (2016), van der Laan (2019), Cicimurri et al. (2025).
It was reranked as the unranked clade Congroidei by Jordan (1963).
It was assigned to Enchelycephali by Jordan (1963); to Apodes by Schwarzhans (1978); and to Anguilliformes by Schwarzhans and Bratischko (2011), Nelson et al. (2016), van der Laan (2019), Cicimurri et al. (2025).
Synonymy list
| Year | Name and author |
|---|---|
| 1909 | Congroidei Regan |
| 1963 | Congroidei Jordan p. 630 |
| 1978 | Congroidei Schwarzhans p. 17 |
| 2011 | Congroidei Schwarzhans and Bratischko p. 87 |
| 2016 | Congroidei Nelson et al. p. 145 |
| 2019 | Congroidei van der Laan p. 62 |
| 2025 | Congroidei Cicimurri et al. p. 78 |
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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.
Subor. Congroidei Regan 1909
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Fm. Nettastomatidae Jordan and Davis 1891
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Fm. Ophichthidae Günther 1870
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G. †Asanoa Sytchevskaya and Prokofiev 2004
G. †Parechelus Casier 1967
Invalid names: Asanoinae Sytchevskaya and Prokofiev 2004 [invalid subgroup], Myrophinae [empty], Parechelidae Casier 1967 [synonym]
Invalid names: Cyemidae [empty], Dysommidae [empty], Neenchelyidae [empty], Nettastomidae [empty], Sauromuraenesocidae [empty], Xenocongridae [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Kiessling 2004, Hendy et al. 2009, Carroll 1988 | |||||
Age range
Maximum range based only on fossils: base of the Ypresian to the top of the Calabrian or 56.00000 to 0.77400 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Minimum age of oldest fossil (stem group age): 48.07 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | United Kingdom (England) | Echelus branchialis (76601) | |
| Ypresian | Italy | Goslinophis acuticaudus (94830) | |
| Lutetian | United Kingdom (England) | Ophichthus sphaeroides (41992 41998) | |
| Lutetian | France | Echelus contractus, Ophichthus mignolo (188957) Ophichthus mignolo (188958) | |
| Lutetian | Germany (Lower Saxony,) | Echelus sp. (188954) | |
| Kaiatan | New Zealand (South Island) | Congroideorum obscurus (219333) | |
| Priabonian | Tonga | Parechelus sp. (43006) | |
| Burdigalian | France | Echelus myrus (219196) | |
| Langhian | France | Echelus myrus (219197) | |
| Gelasian - Calabrian | Greece (Rhodes) | Nettastomatidae indet. (207569) | |
| Gelasian - Ionian | Greece (Kephallonia) | Nettastomatidae indet. (207577) |