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Isorthis (Tyersella) amplificata
Taxonomy
Isorthis amplificata was named by Walmsley (1965).
It was recombined as Tyersella amplificata by Johnson (1970); it was recombined as Isorthis (Tyersella) amplificata by Walmsley and Boucot (1975), Sheehan (1976).
It was recombined as Tyersella amplificata by Johnson (1970); it was recombined as Isorthis (Tyersella) amplificata by Walmsley and Boucot (1975), Sheehan (1976).
Sister species lacking formal opinion data
I. allani, I. angaciensis, I. bistria, I. canalicula, I. clivosa, I. crassiformis, I. elivosa, I. fornicatimcurvata, I. inostranzewi, I. jini, I. markovskii, I. mongolensis, I. neocrassa, I. orbicularis, I. orbicularris, I. ovalis, I. palliata, I. perelegans, I. proinqua, I. propinqua, I. qianbeiensis, I. schurabica, I. snajdri, I. spedeni, I. sulcata, I. tannuolis, I. tomyris, I. usari, I. walmsleyi, I. cliens, I. tomyris, I. biradiata, I. cliens, I. manon, I. minuta, I. numiformis, I. nummiformis, I. pinguissima, I. tomyris, I. rotunda, I. svatojanica, I. allani, I. cuyanum, I. impressiva, I. miloni, I. rotunda, I. megamyaria, I. spedeni, I. tetragona, Tyersella afra, Tyersella akkaensis, Tyersella snajdri, Tyersella tetragona
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Isorthis amplificata Walmsley p. 469 figs. Pl. 61, figs. 1-30 |
| 1970 | Tyersella amplificata Johnson p. 74 |
| 1975 | Isorthis (Tyersella) amplificata Walmsley and Boucot p. 56 figs. PI. 1 figs. 9-13 |
| 1976 | Isorthis (Tyersella) amplificata Sheehan p. 716 figs. Pl. 3, figs. 9-16 |
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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.
†Isorthis (Tyersella) amplificata Walmsley 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Sheinwoodian to the top of the Gorstian or 432.90000 to 425.00000 Ma
Collections (28 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jaani | Lithuania | Isorthis amplificata (192560) | |
| Jaani - Jaagarahu | Lithuania | Isorthis amplificata (192579) | |
| Sheinwoodian - Homerian | Lithuania | Isorthis amplificata (192993) | |
| Wenlock | Lithuania | Isorthis amplificata (13744 13745 13746 26284 207295 207331 207332) | |
| Wenlock | United Kingdom (England) | Isorthis amplificata (49641 79881) | |
| Wenlock - Ludlow | Lithuania | Isorthis amplificata (13756) | |
| Jaagarahu | Lithuania | Isorthis amplificata (192559) | |
| Homerian - Jaagarahu | Lithuania | Isorthis amplificata (192580) | |
| Homerian | Lithuania | Isorthis amplificata (192613 192994) | |
| Gorstian | Lithuania | Isorthis amplificata (192653 192995) | |
| Gorstian | Belarus | Isorthis amplificata (23662) | |
| Ludlow | Lithuania | Isorthis amplificata (13751 13768 13769 13770 13773 13774 195446) | |
| Ludlow | Belarus | Isorthis amplificata (23658) |