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Rhynchoconger
Taxonomy
Rhynchoconger was named by Jordan and Hobbs (1925) [Sepkoski's age data: T Mi-m R Sepkoski's reference number: 560]. It is extant. Its type is Leptocephalus ectenurus.
It was assigned to Anguilliformes by Sepkoski (2002); and to Congridae by Schwarzhans (1985), Nolf and Dockery (1993), Stringer (1998), Girone et al. (2006), Schwarzhans (2007), Schwarzhans et al. (2017), Schwarzhans et al. (2017), Schwarzhans (2019), Ebersole et al. (2019), Schwarzhans and Nielsen (2021), Robinson et al. (2024), Lin and O’Dea (2025).
It was assigned to Anguilliformes by Sepkoski (2002); and to Congridae by Schwarzhans (1985), Nolf and Dockery (1993), Stringer (1998), Girone et al. (2006), Schwarzhans (2007), Schwarzhans et al. (2017), Schwarzhans et al. (2017), Schwarzhans (2019), Ebersole et al. (2019), Schwarzhans and Nielsen (2021), Robinson et al. (2024), Lin and O’Dea (2025).
Species
Hildebrandia flava, Hildebrandia gracilior, Hildebrandia pantanellii, R. aftonensis, R. casieri, R. chiloensis, R. donzacquensis, R. ectenurus, R. ellipticus, R. eocenicus, R. flavus, R. otaianus, R. otapiriensis, R. pantanelli, R. pantanellii, R. placidus, R. regularis, R. sanctus, R. subtilis, R. transversus, R. weileri
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by A. Hendy on 2014-08-03
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Rhynchoconger Jordan and Hobbs p. 196 |
| 1927 | Hildebrandia Jordan and Evermann p. 502 |
| 1983 | Hildebrandia Nolf and Steurbaut p. 149 |
| 1984 | Hildebrandia Steurbaut p. 36 |
| 1985 | Rhynchoconger Schwarzhans p. 15 |
| 1993 | Rhynchoconger Nolf and Dockery p. 27 |
| 1998 | Rhynchoconger Stringer p. 150 |
| 2002 | Hildebrandia Sepkoski |
| 2002 | Rhynchoconger Sepkoski |
| 2006 | Rhynchoconger Girone et al. p. 655 |
| 2007 | Rhynchoconger Schwarzhans p. 305 |
| 2017 | Rhynchoconger Schwarzhans et al. p. 439 |
| 2017 | Rhynchoconger Schwarzhans et al. p. 7 |
| 2019 | Rhynchoconger Ebersole et al. p. 192 |
| 2019 | Rhynchoconger Schwarzhans p. 31 |
| 2021 | Rhynchoconger Schwarzhans and Nielsen p. 10 |
| 2024 | Rhynchoconger Robinson et al. p. 571 |
| 2025 | Rhynchoconger Lin and O’Dea |
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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. Rhynchoconger Jordan and Hobbs 1925
show all | hide all
†Rhynchoconger aftonensis Stinton 1975
†Rhynchoconger casieri Bauza Rullan 1955
†Rhynchoconger chiloensis Schwarzhans and Nielsen 2021
†Rhynchoconger donzacquensis Nolf 1988
Rhynchoconger ectenurus Jordan and Richardson 1909
†Rhynchoconger ellipticus Weiler 1958
†Rhynchoconger eocenicus Shepherd 1916
Rhynchoconger flavus Goode and Bean 1896
†Rhynchoconger otaianus Schwarzhans 2019
†Rhynchoconger otapiriensis Frost 1934
Rhynchoconger pantanelli Bassoli 1906
Rhynchoconger pantanellii Bassoli and Schubert 1906
†Rhynchoconger placidus Schwarzhans et al. 2017
†Rhynchoconger regularis Stinton 1957
†Rhynchoconger sanctus Frizzell and Lamber 1962
†Rhynchoconger subtilis Schwarzhans et al. 2017
†Rhynchoconger transversus Sulc 1932
†Rhynchoconger weileri Jonet 1973
Invalid names: Hildebrandia Jordan and Evermann 1927 [synonym]
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 Selandian to the top of the Holocene or 61.66000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 59.24 Ma
Minimum age of oldest fossil (stem group age): 59.24 Ma
Collections (78 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Selandian | USA (Alabama) | R. sp. (87817) | |
| Waipawan - Mangaorapan | New Zealand (South Island) | R. otaianus (219497) | |
| Mangaorapan | New Zealand (South Island) | R. eocenicus (219499) | |
| Mangaorapan - Heretaungan | New Zealand (South Island) | R. eocenicus (219501) R. otaianus (219500) | |
| Heretaungan | New Zealand (South Island) | R. eocenicus (219498) | |
| Lutetian | France | R. donzacqensis (188960 188962) R. transversus (188959) | |
| Lutetian | United Kingdom (England) | Gnathophis eocenicus (41888) | |
| Lutetian | Germany (Lower Saxony,) | R. eocenicus (188954) | |
| Porangan | New Zealand (South Island) | R. eocenicus (219502) | |
| Bortonian | New Zealand (South Island) | Gnathophis eocenicus (205332 219322) R. eocenicus (219504 219505 219507 219509) | |
| Bartonian | USA (Texas) | R. sp. (237131 237143) | |
| Bartonian | United Kingdom (England) | Otolithus pantanelli (42636) | |
| Priabonian | USA (Louisiana) | R. sp. (75638) | |
| Priabonian | France | Uroconger transversus (222677) | |
| Rupelian | USA (Mississippi) | Conger sanctus (84141) | |
| Rupelian | Japan (Saga) | R. placidus, R. subtilis (204551) | |
| Oligocene - Miocene | New Zealand (South Island) | Ophidium pantanelli (205843) | |
| Duntroonian | New Zealand (South Island) | Gnathophis otapiriensis (219331) R. otapiriensis (219569 219612 219615 219619) | |
| Chattian | Hungary | R. panatanellii (184477) R. pantanellii (187352) | |
| Chattian | USA (Mississippi) | Conger sanctus (49872) | |
| Chattian | New Zealand (South Island) | Congridarum otapiriensis (204340) | |
| Chattian | Australia (Victoria) | Heterenchelys regularis (48647) | |
| Chattian | USA (Alabama) | Conger sanctus (84142) | |
| Late/Upper Oligocene | Hungary | R. pantanellii (187351) | |
| Early/Lower Miocene | Chile | R. chiloensis (46982 241730 241732) | |
| Early/Lower Miocene | Venezuela (Paraguana) | R. flavus (118106) | |
| Neogene | Indonesia (Aceh) | Ophidium pantanellii (223637 223639) | |
| Burdigalian | France | Gnathophis pantanellii (220042) R. pantanellii (219196) | |
| Burdigalian | Chile | R. chiloensis (179976 241734) | |
| Altonian | New Zealand | Ophidium pantanelli (67897 67899 67900) | |
| Altonian | New Zealand (Southland) | Ophidium pantanelli (85538) | |
| Langhian | Australia (Victoria) | Heterenchelys regularis (46165 219140) R. regularis (219137) | |
| Langhian | France | R. pantanellii (219197) | |
| Middle Miocene | Australia (Victoria) | Heterenchelys regularis (122349) | |
| Badenian | Czechia (Mikulov) | R. pantanellii (161993 161994 161995) | |
| Serravallian | Slovakia | Congridarum pantanellii (89152) | |
| Tortonian | Italy (Asti) | R. pantanellii (237147) | |
| Tortonian | Italy | Hildebrandia pantanellii (178120) R. pantanellii (78437) | |
| Tortonian | Panama | R. sp. (145519 145520 145523) | |
| Late/Upper Miocene | Chile (Bio-Bio) | R. chiloensis (46978) | |
| Tortonian - Messinian | Greece (Crete) | R. pantanellii (207593) | |
| Messinian | Panama | R. sp. (172931) | |
| Zanclean | Italy (Sicily) | Gnathophis pantanellii (223702) | |
| Zanclean | Italy (Provinz Siena) | Gnathophis pantanellii (138094) | |
| Piacenzian | Greece (Crete) | R. pantanellii (207357) | |
| Piacenzian | Italy | R. pantanellii (277335) | |
| Gelasian | Italy | R. pantanelli (159096) | |
| Calabrian | Taiwan | R. sp. (275913) | |
| Castlecliffian | New Zealand | Ophidium pantanelli (89043) | |
| Late/Upper Pleistocene - Holocene | USA (Louisiana) | Hildebrandia sp. (161932) |