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Palaeobotrychium
Genus Palaeobotrychium Naug. Wulfenia, 23: 152. 2016
- Name
- Palaeobotrychium
- Rank
- Genus
- Authors (Pub.)
- Naugolnykh S. V.
- Publication
- Palaeobotrychium gen. nov., the first discovery of an ophioglossalean fern from the Middle Carboniferous deposits of Russia [2016]
- Journal
- Wulfenia
- Volume
- 23
- Page number
- 152
- Year
- 2016
- Parent Taxon
- [Order] Ophioglossales
- Fossil Status
- foliage (fertile)
- Type
- Palaeobotrychium carbonicum
- Diagnosis
- Monopinnate fertile fronds with thick straight or slightly curved rachis and cuneate flabelliform pinnules. Rachis surface smooth. Pinnules of subtriangular shape, with wedge-shaped basis and lobed apex. Venation fan-shaped. Veins from simple to twice dichotomizing. Pinnules bear ovoid sporangia 1.5mm long and 1mm wide in average. Sporangia are split by prolonged furrow into two valves. Sporangia isosporous. Spores round to ovoid, with monolete or trilete mark and granulate sporoderm.
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