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Isochilina
Taxonomy
Leperditia (Isochilina) was named by Jones (1858) [Sepkoski's age data: O Aren-u O Cara-u Sepkoski's reference number: 855]. It is the type subgenus of Isochilinidae, Isochilinoidea.
It was reranked as Isochilina by Swartz (1949), Benson et al. (1961), Berdan (1984), Berdan (1984), Sepkoski (2002), Liebau (2005).
It was assigned to Leperditia by Hall (1871); to Isochilininae by Swartz (1949); to Leperditicopida by Sepkoski (2002); and to Isochilinidae by Benson et al. (1961), Berdan (1984), Berdan (1984), Liebau (2005).
It was reranked as Isochilina by Swartz (1949), Benson et al. (1961), Berdan (1984), Berdan (1984), Sepkoski (2002), Liebau (2005).
It was assigned to Leperditia by Hall (1871); to Isochilininae by Swartz (1949); to Leperditicopida by Sepkoski (2002); and to Isochilinidae by Benson et al. (1961), Berdan (1984), Berdan (1984), Liebau (2005).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1858 | Leperditia (Isochilina) Jones |
| 1871 | Leperditia (Isochilina) Hall |
| 1949 | Isochilina Swartz p. 321 |
| 1961 | Isochilina Benson et al. |
| 1984 | Isochilina Berdan p. J25 |
| 2002 | Isochilina Sepkoski |
| 2005 | Isochilina Liebau p. 122 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Alvarez et al. 2008 | |||||
Age range: base of the Floian to the top of the Lochkovian or 477.10000 to 413.02000 Ma
Collections (64 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | USA (New York) | I. sp. (290) | |
| Cassinian | USA (Missouri) | I. variana (75553 75554) | |
| Floian | Canada (Newfoundland) | I. sp. (195748) | |
| Rangerian | USA (Nevada) | I. sp. (297 104453) | |
| Middle Ordovician | Argentina | I. sp. (9031) | |
| Chazyan | Canada (Quebec) | I. ottawa (172355) I. ottawa, I. amiana (172362) | |
| Chazyan | Canada (Ontario) | I. amiana (172201) | |
| Chazyan | USA (New York) | I. labrosa (172321) | |
| Whiterockian | USA (Virginia) | I. sp. (6984) | |
| Whiterockian | USA (Nevada) | I. sp. (104455 104476 104523) | |
| Whiterockian | USA (Oklahoma) | I. bulbosa (162342) | |
| Whiterockian | Canada (Northwest Territories) | I. sp. (102252) | |
| Chazyan - Blackriveran | USA (Virginia) | I. sp. (6989) | |
| Caradoc | USA (Virginia) | I. armata (34247 34248 34249 34250 34251 34252 34268 34277 34279 34281 34324 34326 34327 34328) I. sp. (34214 34215 34216 34217 34218) | |
| Caradoc | USA (Georgia) | I. sp. (32578 32579 32580 32581 32583 32585 32586) | |
| Turinian | Canada (Ontario) | I. sp. (26174) | |
| Franklinian - Edenian | USA (Tennessee) | I. ampla (5371) | |
| Blackriveran | Canada (Northwest Territories) | I. gregaria (24631) | |
| Shermanian | USA (Tennessee) | I. ampla (5361) I. jonesi, I. columbiana (5359) | |
| Trentonian | USA (Virginia) | I. sp. (34339 34340 34341 34342 34343 34344) | |
| Wildernessian | Canada (Northwest Territories) | I. gregaria (102268) | |
| Chatfieldian | USA (Kentucky) | I. ampla (34555) | |
| Chatfieldian - Edenian | Canada (Nunavut) | I. convexa (24116) | |
| Richmondian | USA (Indiana) | I. sp. (374) | |
| Llandovery | USA (Michigan) | I. sp. (532) | |
| Llandovery | USA (New York) | I. sp. (443) | |
| Silurian | USA (Alaska) | I. sp. (111898) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | I. sp. (188866) | |
| Lochkovian | Norway | I. sp. (26929) |