Abas wittii explained

Abas is an extinct genus of diatoms consisting of only one known species: Abas wittii. Originally observed as a fossil genus classified with diatom spore forms under the name Syringidium.^[1] Abas was observed to be live from the Eocene to Oligocene epoch appearing in tropical sites.^{[1] [2]}

Notes and References

1. http://www.algaebase.org M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway
2. Book: Round . F. E. . Crawford . R. M. . Mann . D. G. . Diatoms: Biology and Morphology of the Genera . 4 December 2007 . Cambridge University Press . 978-1-107-39313-4 . 270–271 . 14 November 2022 . en.