Jayantisporites conatus Lele et Makada

Plant Fossil Names Registry Number: PFN002483

Act LSID: urn:lsid:plantfossilnames.org:act:2483

Authors: K. M. Lele & R. Makada

Rank: species

Genus: Jayantisporites Lele et Makada

Reference: Lele, K. M. & Makada, R. (1972): Studies in the Talchir Flora of India – 7. Palynology of the Talchir Formation from Jayanti Coalfield, Bihar. – Geophytology 2(1): 41–73., link

Page of description: 50

Illustrations or figures: text-fig. 8, 8A, pl. 1, figs 17–21

Other combinations

Cristatisporites conatus (Lele et Makada) Kavali, Anirb.Roy, M.M.di Pasquo, Gurum., Gau.Sharma et Ajit Kumar 2021 nom. inval.


Holotype 4266, Birbal Sahni Institute of Palaeosciences, Lucknow, India
Figures: pl. 1, fig. 17

Original diagnosis/description

Miospores traingular to subtriangular, 55–70 × 50–70 μ in size; trilete mark distinct, rays reaching spore equator; exine proximally laevigate to infrapunctate, distal ornament ranging from broad-based conate to verrucose processess, often bearing fine apical point (Pl. 1, Fig. 19; Text-fig. 8), size of elements 3–5 μ long and 5–8 μ broad, basal confluence of processess well marked forming thick ridges and ± complete reticulum (Pl. 1, Fig. 17); pseudozona imperfect (Pl. 1, Fig. 18), 30–50 elements along spore equator. The tetrads (Pl. 1. Fig. 21; Text-fig. 8A) have relatively smaller elements.


Talchir Formation, late Paleozoic


Patharjore Nala, Jayanti Coalfield, Bihar

Plant fossil remain

pollen and spores


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