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Idiostrophia
Taxonomy
Idiostrophia was named by Ulrich and Cooper (1936). Its type is Idiostrophia perfecta.
It was assigned to Pentamerida by Sepkoski (2002); and to Camerellinae by Williams et al. (2002), Popov et al. (2005), Hansen and Holmer (2011).
It was assigned to Pentamerida by Sepkoski (2002); and to Camerellinae by Williams et al. (2002), Popov et al. (2005), Hansen and Holmer (2011).
Species
I. acuminata, I. costata, I. digitata, I. perfecta (type species), I. prima, I. tenuicostata, I. valdari
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Idiostrophia Ulrich and Cooper |
| 2002 | Idiostrophia Sepkoski |
| 2002 | Trigonotrophia Sepkoski |
| 2002 | Idiostrophia Williams et al. p. 949 |
| 2005 | Idiostrophia Popov et al. |
| 2011 | Idiostrophia Hansen and Holmer |
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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. †Idiostrophia Ulrich and Cooper 1936
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†Idiostrophia acuminata Pander 1830
†Idiostrophia costata Ulrich and Cooper 1938
†Idiostrophia digitata von Leuchtenberg 1843
†Idiostrophia perfecta Ulrich and Cooper 1936
†Idiostrophia prima Popov et al. 2005
†Idiostrophia tenuicostata Popov et al. 2005
†Idiostrophia valdari Ross 1972
Invalid names: Trigonotrophia [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Blackhillsian to the top of the Early/Lower Llanvirn or 475.30000 to 461.10000 Ma
Collections (36 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cassinian | United Kingdom (Scotland) | I. sp. (75589) | |
| Arenig | Argentina | I. sp. (8721) | |
| Arenig | China (Guizhou) | I. sp. (4761) | |
| Arenigian | Russian Federation | I. paucicostata (37813) | |
| Floian - Darriwilian | Russian Federation (Siberia) | I. sp., I. costata (205664) | |
| Billingen | Russian Federation | I. acuminata (198709) I. prima (62345 169216 169248) I. prima, I. tenuicostata (169230) | |
| Billingen | Russian Federation (Vokhov area) | I. tenuicostata (169219) | |
| Billingen | Russian Federation (Ingria) | I. acuminata (191663) | |
| Blackhillsian | Norway (Spitsbergen) | I. valdari (189895 189926) | |
| Blackhillsian | USA (Nevada) | I. nuda (104548) I. sp. (104556) | |
| Rangerian | USA (Nevada) | I. paucicostata (80059) | |
| Castlemainian - Yapeenian | Ireland | I. costata (153922) | |
| Dapingian | China (Hubei) | I. sp. (186126) | |
| Volkhov | Russian Federation | I. prima, I. digitata, I. tenuicostata (169220) I. tenuicostata (169222 169235) | |
| Dapingian - Darriwilian | Russian Federation (Siberia) | I. tuloviensis (205562) | |
| Whiterockian | USA (Nevada) | I. conciliata, I. nuda (80054) I. lenticularis, I. valdari (80062) I. nuda (104276) I. sp. (80055 80061) | |
| Whiterockian | Canada (Quebec) | I. perfecta (169234) | |
| Darriwilian | Russian Federation (Gorny Altai) | I. costata (186015) | |
| Darriwilian | China (Hubei) | I. sp. (186131 186133) | |
| Darriwilian | Norway (Spitsbergen) | I. valdari (189886) | |
| Early/Lower Llanvirn | Argentina | I. sp. (8747 8748) | |
| Llanvirn | Ireland | I. costata (381) |