The first evidence of saprophytic Tetraploa on Siwalik (Late Miocene) monocot leaf from western Himalaya and its role in palaeoecology reconstruction
2024
Kundu, Sampa | Bianchinotti, Maria Virginia | Khan, Mahasin Ali
Even though the records of Tetraploa spores from Mesozoic and Cenozoic sedimentary strata along with spore-pollen assemblages are numerous and well documented, no foliicolus Tetraploa macroconidia have been reported to date. Here, we report the first occurrence of conidia assignable to modern Tetraploa Berk. & Broome (Tetraplosphaeriaceae: Pleosporales: Dothideomycetes) on cuticular fragments of compressed monocot leaf recovered from the middle Siwalik sediments (Late Miocene; 12–8 Ma) of Himachal Himalaya, India. We determine their taxonomic position based on detailed macromorphological comparison with similar modern and fossil taxa and discuss their palaeoecological significance in terms of the present‐day ecological conditions of modern analogues. This finding also represents an essential data source for understanding Tetraploa’s evolution and diversification in deep time.
Afficher plus [+] Moins [-]Fil: Kundu, Sampa. Sidho-kanho-birsha University; India
Afficher plus [+] Moins [-]Fil: Bianchinotti, Maria Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Bahía Blanca. Centro de Recursos Naturales Renovables de la Zona Semiárida. Universidad Nacional del Sur. Centro de Recursos Naturales Renovables de la Zona Semiárida; Argentina. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina
Afficher plus [+] Moins [-]Fil: Khan, Mahasin Ali. Sidho-kanho- Birsha University; India
Afficher plus [+] Moins [-]Mots clés AGROVOC
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