Fungalpedia – Note 165Circinoconites (Fossil Fungi)


Circinoconites R. Kar, Mand. & R.K. Kar.

Citation when using this data: Saxena RK & Hyde KD. 2024 (in prep) – Fungalpedia, Fossil Fungi. 

Index Fungorum, Facesoffungi, MycoBankGenBankFig. 1

ClassificationPhragmosporae. Fossil Ascomycota, Fungi

Kar et al. (2010) instituted Circinoconites from the Bhuban Formation (Early Miocene, 23–16 mya) in Tlangsam, Mizoram, India with the following diagnosis: Fungal conidia are conidia acrogenous, strongly spiraled, solitary, coiled, not in chains or slime, and 8–14 septate, fist-shaped, dark brown, constricted at septa, cells increasing in diameter from base to apex, dissimilar, spirally arranged. Only one species listed in Index Fungorum (2023) under this genus.

Type species: Circinoconites arthrus R. Kar, Mand. & R.K. Kar.



Figure 1 – Circinoconites arthrusScale bar = 10 μm. Redrawn from Kar et al. (2010).



Kar R, Mandaokar BD, Kar RK. 2010 – Fungal taxa from the Miocene sediments of Mizoram, northeast India. Review of Palaeobotany and Palynology 158, 240–249.


Entry by

Ramesh K. Saxena, Birbal Sahni Institute of Palaeosciences, Lucknow, India


(Edited by Kevin D. Hyde, Samaneh Chaharmiri-Dokhaharani, & Achala R. Rathnyaka)