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Euconia
Taxonomy
Euconia was named by Ulrich and Scofield (1897) [Sepkoski's age data: O Aren-l Sepkoski's reference number: 797]. It is not extant. Its type is Pleurotomaria etna.
It was assigned to Pleurotomariidae by Ulrich and Scofield (1897); to Ophiletinae by Knight et al. (1960); to Sinuopeidae by Wagner (1999); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Pleurotomariidae by Ulrich and Scofield (1897); to Ophiletinae by Knight et al. (1960); to Sinuopeidae by Wagner (1999); and to Archaeogastropoda by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1897 | Euconia Ulrich and Scofield |
| 1947 | Rhombella Bridge and Cloud |
| 1954 | Jarlopsis Heller |
| 1960 | Euconia Knight et al. p. 200 |
| 1960 | Rhombella Knight et al. p. 209 |
| 1999 | Euconia Wagner p. 70 |
| 2002 | Euconia Sepkoski |
| 2002 | Rhombella Sepkoski |
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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. †Euconia Ulrich and Scofield 1897
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†Euconia amphitrite Billings 1865
†Euconia conicus Heller 1954
†Euconia etna Billings 1865
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Invalid names: Euconia beekmanensis Whitfield 1889 [synonym], Euconia ramseyi Billings 1859 [synonym], Euconia thule Murchison 1859 [synonym]
†Euconia mosheimensis Butts 1926
†Euconia sinuata Flower 1968
†Euconia umbilicata Dake and Bridge 1932
Invalid names: Jarlopsis Heller 1954 [synonym], Rhombella Bridge and Cloud 1947 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Skullrockian to the top of the Tulean or 487.50000 to 474.90000 Ma
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | USA (Missouri) | Jarlopsis conicus (98340) | |
| Skullrockian | Canada (Newfoundland) | Rhombella sp. (195741) | |
| Skullrockian | United Kingdom (Scotland) | Pleurotomaria etna, Pleurotomaria ramsayi (188569) | |
| Demingian | USA (Texas) | Rhombella umbilicata (56495 56496) | |
| Demingian | USA (Montana) | Rhombella umbilicata (284) | |
| Migneintian | USA (Missouri) | Jarlopsis conicus (50206) Jarlopsis conicus, Rhombella umbilicata (50202) Rhombella umbilicata (50203 50204 50205 50207) | |
| Stairsian | United Kingdom (Scotland) | Pleurotomaria thule (188684) | |
| Stairsian | USA (Vermont) | Pleurotomaria beekmanensis (154942) | |
| Stairsian | USA (Missouri) | E. sp. (114591) | |
| Stairsian | USA (New York) | E. sinuata (289) | |
| Stairsian | USA (North Dakota) | E. conica (119478) | |
| Warendian | Australia (Northern Territory) | E. sp. indet. (79322) | |
| Gasconadian | USA (Missouri) | E. conicus (157150) | |
| Gasconadian | USA (Nevada) | Rhombella sp. (104517) | |
| Gasconadian | USA (Texas) | E. conicus (88808) Rhombella umbilicata (282) | |
| Tremadocian | USA (Wisconsin) | E. conicus (192264) | |
| Tremadocian | USA (Missouri) | E. conicus (189372) | |
| Early/Lower Ordovician | USA (Texas) | Rhombella sp. (283) | |
| Jeffersonian | Canada (Newfoundland and Labrador) | Pleurotomaria etna (100029) | |
| Jeffersonian | USA (Texas) | E. etna (56497 80088) E. sp. (56489) | |
| Jeffersonian | Canada (Newfoundland) | E. sp. (195785) | |
| Stairsian - Whiterockian | USA (Nevada) | Rhombella n. sp. (281) | |
| Cassinian | Canada (Newfoundland) | E. sp. (195784) | |
| Cassinian | Canada (Newfoundland and Labrador) | E. etna (196199) | |
| Cassinian | USA (Vermont) | Pleurotomaria etna (154944) | |
| Tulean | Canada (Newfoundland and Labrador) | E. etna (56147) | |
| Tulean | USA (Montana) | Rhombella sp. (287) Rhombella umbilicata (174361) | |
| Tulean - Blackhillsian | United Kingdom (Scotland) | Pleurotomaria beekmanensis (188715) Pleurotomaria etna, Pleurotomaria beekmanensis, Pleurotomaria ramsayi (188699) | |
| Arenig | USA (Montana) | E. sp., Rhombella sp. (286) | |
| Arenig | China (HeBei) | Rhombella sp. (7972 7975) | |
| Floian | Canada (Newfoundland) | E. etna (195748) |