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Protocortezorthis
Taxonomy
Protocortezorthis was named as a genus.
It was misspelled as Protocortesorthis by Godefroid (1979), Williams et al. (2000), Sepkoski (2002); it was reranked as Isorthis (Protocortezorthis) by Walmsley and Boucot (1975), Rustán et al. (2025).
It was assigned to Isorthinae by Godefroid (1979), Williams et al. (2000); to Orthida by Sepkoski (2002); and to Isorthis by Walmsley and Boucot (1975), Rustán et al. (2025).
It was misspelled as Protocortesorthis by Godefroid (1979), Williams et al. (2000), Sepkoski (2002); it was reranked as Isorthis (Protocortezorthis) by Walmsley and Boucot (1975), Rustán et al. (2025).
It was assigned to Isorthinae by Godefroid (1979), Williams et al. (2000); to Orthida by Sepkoski (2002); and to Isorthis by Walmsley and Boucot (1975), Rustán et al. (2025).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Isorthis (Protocortezorthis) Walmsley and Boucot |
| 1979 | Protocortesorthis Godefroid |
| 2000 | Protocortezorthis Williams et al. p. 789 |
| 2002 | Protocortezorthis Sepkoski |
| 2025 | Isorthis (Protocortezorthis) Rustán et al. |
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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: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Ludlow to the top of the Zlichovian or 426.70000 to 393.47000 Ma
Collections (46 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wenlock - Ludlow | Spain (Palencia) | P. sp. (40345) | |
| Wenlock - Ludlow | China (Sichuan) | P. orbicularis (27805) | |
| Wenlock - Ludlow | China (Heilongjiang) | P. lineolata (27886) | |
| Ludlow | Venezuela | P. sp. (25067) | |
| Pridoli | USA (Nevada) | P. sp. (240667) | |
| Pridoli | Canada (Yukon) | P. sp. (14004) | |
| Early/Lower Lochkovian | Canada (Nunavut) | P. quadriforma (26506) | |
| Lochkovian | Canada (Northwest Territories) | P. quadiforma (3739) P. quadriforma (3733 3741 3743 3745) P. quadriformis (3738) P. sp. (75580 75581) | |
| Lochkovian | Canada (Yukon) | P. fornicatimcurvata (14015 24931 24932) | |
| Lochkovian | Spain | P. sp. (13924) | |
| Lochkovian | Afghanistan (Ghazni) | P. fornicatimurvata (75032) | |
| Lochkovian | Canada (Nunavut) | P. carinatus (26484 26485 26492 26493 26497 26498 26499 26501 26502 26503 26504) P. fornicatimcurvata (26641 26651 26653) P. quadriforma (26505 26507) | |
| Lochkovian | Poland | P. fornicatimcurvata (13878 13887) | |
| Lochkovian - Zlichovian | Canada (Yukon) | P. sp. (603) | |
| Pragian | Canada (Yukon) | P. fornicatimcurvata (24933 43713 43969) P. fornicatus (43967) | |
| Siegen | USA (Nevada) | P. windmillensis (164726 164730) | |
| Emsian | Germany (Hessen) | P. trigeri (38349) |