Downiesphaeridium

DOWNIESPHAERIDIUM Islam, 1993, p.83.  Emendation: Masure in Fauconnier and Masure, 2004, p.195.  Type: Islam, 1983b, pl.2, fig.1, as Cleistosphaeridium spinulastrum.

Parent: Order Gonyaulacales Suborder uncertain Family uncertain

Species List:

Downiesphaeridium aciculare
Downiesphaeridium armatum
"Downiesphaeridium bergmannii"
Downiesphaeridium bulbum
Downiesphaeridium flexuosum
Downiesphaeridium iaculigerum
Downiesphaeridium multispinosum
"Downiesphaeridium polyacanthum"
Downiesphaeridium polytrichum
Downiesphaeridium sarmentum
*Downiesphaeridium spinulastrum
Downiesphaeridium tribuliferum