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Peratagnostus
Taxonomy
Peratagnostus was named by Opik (1967) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 16,1017]. It is not extant.
It was synonymized subjectively with Phaldagnostus by Jell and Adrain (2002).
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); and to Hypagnostidae by Paterson and Laurie (2004).
It was synonymized subjectively with Phaldagnostus by Jell and Adrain (2002).
It was assigned to Spinagnostidae by Whittington et al. (1997); to Agnostida by Sepkoski (2002); and to Hypagnostidae by Paterson and Laurie (2004).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Peratagnostus Opik |
| 1997 | Peratagnostus Whittington et al. p. 357 |
| 2002 | Monexagnostus Sepkoski |
| 2002 | Peratagnostus Sepkoski |
| 2004 | Peratagnostus Paterson and Laurie p. 95 |
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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. †Peratagnostus Opik 1967
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†Peratagnostus controversus Kryskov 1963
†Peratagnostus distinctus Lu and Lin 1989
†Peratagnostus hillardensis Palmer 1968
†Peratagnostus invalidus Lu and Lin 1989
†Peratagnostus nobilis Opik 1967
†Peratagnostus obsoletus Kobayashi 1935
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Invalid names: Peratagnostus sinicus Hsiang 1963 [synonym]
†Peratagnostus orientalis Lazarenko 1966
†Peratagnostus zhejiangensis Lu and Lin 1989
Invalid names: Monaxagnostus Liu 1982 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Whittington et al. 1997, Hendy 2009, Kiessling 2004 | |||||
Age range: base of the Taoyuanian to the top of the Aksaian or 498.50000 to 491.50000 Ma
Collections (130 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Guzhangian | China (Hunan) | P. obsoletus (49185 49186 49187 49188 49189 49190 107050 126325 126328 126440 126443) Phalacroma sinicum (128933) | |
| Mindyallan - Idamean | Australia (Victoria) | P. invalidus (64043) | |
| Taoyuanian | China (Hunan) | P. controversus, P. invalidus (126688) P. hillardensis (126659) P. invalidus (126687) P. sinicus (126686) | |
| Taoyuanian | South Korea | P. orientalis (133474 133475 133476 133477 133478 133481 133483 133484 133485 133488 133490 133491 133492 133513 133519 133520 133521) | |
| Taoyuanian | Russian Federation (Sakha) | P. orientalis (133594 133601 133602 133603) | |
| Taoyuanian | China (Zhejiang) | P. obsoletus (128290 128291 128298 128301 128303 128304 128306) | |
| Maentwrogian | South Korea | P. sp. (7890) | |
| Paibian | China (Zhejiang) | P. distinctus (125560) P. obsoletus (128285 128286 128289) Tomagnostella invalida (125563) Tomagnostella invalida, P. zhejiangensis (125677) | |
| Paibian | China (Hunan) | P. obsoletus (49191 49192 49193 49194 49195 49196 107051 107053 107054 126130 126132 126133 126147 126148 126149 126282 126285 126286) P. sinicus (126650 126651 126652 126654 126656 126684) P. sinicus, P. invalidus (126685) | |
| Paibian | Russian Federation (Krasnoyar) | P. sp. (132502) | |
| Paibian | Russian Federation (Sakha) | P. orientalis (133589 133590) | |
| Sakian | Kazakhstan | P. nobilis (118254) P. nobilis, P. obsoletus (118260 118264) P. obsoletus (118263 118328 118332) P. obsoletus, P. orientalis (118305 118310 118312 118313 118326 118327) P. orientalis (118329 118331 118334 118337 118341 118342 118344 118345 118346 118348 118367 118369 118370 118372 118373 118375 118376 118380) | |
| Dresbachian | Canada (Yukon) | P. nobilis (55224 55225 55226) | |
| Franconian | Canada (Yukon) | P. nobilis (55301) | |
| Furongian | China (Hunan) | P. sinicus (124948 124977 124978) | |
| Iverian | Australia (Queensland) | P. nobilis (228220) | |
| Aksaian | Kazakhstan | P. asper, P. hillardensis (118382 118387 118394) P. hillardensis (118397 118401 118404 118445 118446 118450 118451 118453 118456) |