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Peronopsis fallax
Taxonomy
Agnostus fallax was named by Linnarsson (1869). It is the type species of Peronopsis.
It was recombined as Mesagnostus fallax by Jaekel (1909); it was recombined as Peronopsis fallax by Westergard (1936), Palmer and Gatehouse (1972); it was recombined as Peronopsis (Armagnostus) fallax by Kobayashi (1939); it was recombined as Axagnostus fallax by Laurie (1990); it was synonymized subjectively with Peronopsis acadica by Robison (1995).
It was recombined as Mesagnostus fallax by Jaekel (1909); it was recombined as Peronopsis fallax by Westergard (1936), Palmer and Gatehouse (1972); it was recombined as Peronopsis (Armagnostus) fallax by Kobayashi (1939); it was recombined as Axagnostus fallax by Laurie (1990); it was synonymized subjectively with Peronopsis acadica by Robison (1995).
Sister species lacking formal opinion data
P. columbiensis, P. crassa, P. cuneifera, P. evansi, P. extensa, P. falax, P. hartshillensis, P. insignis, P. interstricata, P. lata, P. liaotungensis, P. maria, P. mariae, P. matthewi, P. minor, P. miqueli, P. montis, P. primigenea, P. quadrata, P. recta, P. sallesi, P. scutalis, P. scutalis, P. scutilis, P. sermenta, P. tenuis, P. tramitis, P. umbonata, P. minor
Entered
by A. Hendy on 2006-09-11
Synonymy list
| Year | Name and author |
|---|---|
| 1869 | Agnostus fallax Linnarsson pp. 81-82 figs. pl. 2, fig. 54, 55 |
| 1909 | Mesagnostus fallax Jaekel p. 398 |
| 1936 | Peronopsis fallax Westergard pp. 28-29 |
| 1939 | Peronopsis (Armagnostus) fallax Kobayashi p. 120 |
| 1972 | Peronopsis fallax Palmer and Gatehouse p. 10 |
| 1990 | Axagnostus fallax Laurie pp. 317-320 |
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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.
†Peronopsis fallax Linnarsson 1869
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Diagnosis
No diagnoses are available