Abas (diatom)

Abas; Temporal range: Eocene-Oligocene, 56–23 Ma PreЄ Є O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
Superphylum:	Heterokonta
Class:	Coscinodiscophyceae
Suborder:	Biddulphiineae
Family:	Hemiaulaceae
Genus:	Abas
Binomial name
	Abas wittii; R.Ross & P.A.Sims

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]

References

M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway accessed 21 December 2014.

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[algae_database-1] M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2014. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway accessed 21 December 2014.