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Poroscutellum
Taxonomy
Poroscutellum was named by Snajdr (1958) [Sepkoski's age data: D Sieg Sepkoski's reference number: 421]. It is not extant.
It was assigned to Styginidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Styginidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Poroscutellum Snajdr |
| 2002 | Poroscutellum Jell and Adrain p. 429 |
| 2002 | Poroscutellum Sepkoski |
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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. †Poroscutellum Snajdr 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Pragian or 413.02000 to 410.62000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pragian | Czechia (Prague) | P. infaustum, P. expectans, P. indocile, P. acupunctatum, P. agathon (12083) | |
| Pragian | Czechia (Srbsko) | P. intaustum, P. expectans (230948 235198) | |
| Pragian | Czechia | P. acupunctatum, P. porosum (12104) | |
| Pragian | Czechia (Praga) | P. sp. (235197) | |
| Pragian - Middle Devonian | Czechia | P. infaustum, P. acupunctatum, P. porosum (10379) P. infaustum, P. expectans, P. indocile, P. acupunctatum, P. agathon (10372) |