Proventocitum Nazarov & Ormiston
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https://doi.org/ 10.5252/g2017n3a4 |
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publication LSID |
urn:lsid:zoobank.org:pub:603CD230-5931-4506-A122-9CBC2F89189F |
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https://treatment.plazi.org/id/0A488798-6A7B-452A-FCD7-FCBB0ECAAA30 |
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treatment provided by |
Felipe |
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scientific name |
Proventocitum Nazarov & Ormiston |
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Proventocitum Nazarov & Ormiston in Nazarov, 1988 sensu Nazarov & Ormiston (1993)
Proventocitum Nazarov & Ormiston in Nazarov, 1988: 71; Nazarov & Ormiston, 1993: 43.
TYPE SPECIES. — Popofskyellum ? procerulum Nazarov in Nazarov & Popov, 1980: 68, pl.15, fig. 4-9.
AGE AND LOCATION OF TYPE MATERIAL. — Ordovician, Kazakhstan.
TAXON CODE. — 283.
STATUS. — Valid.
DIAGNOSIS. —“Одна яйцевидная пористая раковина (до 130х180 мкм)с4-7 внешними стержневидными иглами.Обычно2небольшие иглы обрамляют пилом, против которого развивается крупная апикальная игла. Остальные игла развиты в центральной части раковины. Строение внутренноего каркаса и его расположение не ясно.” ( Nazarov 1988: 71).
REVISED DESCRIPTION. — Delicate conical, porous shell with four to seven, rarely more, external rod-like spines.Typically two small spines border the pylome. At the opposite pole of the shell are developed massive long, “apical” spines. The remaining spines are situated on the central part of the shell. The structure of the internal framework is unclear. Revised description in Nazarov & Ormiston (1993: 43).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Proventocitum Nazarov & Ormiston
| Noble, Paula, Aitchison, Jonathan C., Danelian, Taniel, Dumitrica, Paulian, Maletz, Jörg, Suzuki, Noritoshi, Cuvelier, Jessie, Caridroit, Martial & O’Dogherty, Luis 2017 |
Proventocitum
| NAZAROV B. B. & ORMISTON A. R. 1993: 43 |
| NAZAROV B. B. 1988: 71 |