Cleistosphaeridium

CLEISTOSPHAERIDIUM Davey et al., 1966, p.166.  Emendation: Eaton et al., 2001, p.176.  Taxonomic senior synonym: Systematophora, according to Islam (1993, p.88) - however, Eaton et al. (2001, p.176) retained Cleistosphaeridium.  Taxonomic junior synonym: Laticavodinium, according to Stover and Williams (1987, p.145) - however, Laticavodinium is now considered to be a taxonomic junior synonym of Impletosphaeridium.  Type: Davey et al., 1966, pl.10, fig.7, as Cleistosphaeridium diversispinosum.

Parent: Order Gonyaulacales Suborder uncertain Family uncertain

Species List:

"Cleistosphaeridium aciculare"
"Cleistosphaeridium actinocoronatum"
"Cleistosphaeridium ambiguum"
"Cleistosphaeridium ancoriferum"
Cleistosphaeridium ancyreum
"Cleistosphaeridium araneosum"
"Cleistosphaeridium armatum"
"Cleistosphaeridium ashdodense"
"Cleistosphaeridium australe"
"Cleistosphaeridium baculatum"
"Cleistosphaeridium bahiaense"
"Cleistosphaeridium bergmannii"
"Cleistosphaeridium bifide"
"Cleistosphaeridium bifurcatum"
"Cleistosphaeridium brevibaculum"
"Cleistosphaeridium brevispinosum"
"Cleistosphaeridium bulbum"
"Cleistosphaeridium centrocarpum"
"Cleistosphaeridium cephalum"
"Cleistosphaeridium clavulum"
"Cleistosphaeridium commixtum"
"Cleistosphaeridium danicum"
"Cleistosphaeridium deflandrei"
"Cleistosphaeridium digitale"
"Cleistosphaeridium disjunctum"
*Cleistosphaeridium diversispinosum
"Cleistosphaeridium echinoides"
"Cleistosphaeridium ehrenbergii"
"Cleistosphaeridium elegans He Chengquan 1991"
"Cleistosphaeridium elegans He Chengquan, Zhu Shenzhao and Jin Guangxing in He Chengquan et al. 1989"
"Cleistosphaeridium eocenicum"
"Cleistosphaeridium erectum"
"Cleistosphaeridium flexuosum"
"Cleistosphaeridium fungosum"
"Cleistosphaeridium furcillatum"
"Cleistosphaeridium garampaniense"
"Cleistosphaeridium giganteum"
"Cleistosphaeridium granulatum"
"Cleistosphaeridium hallembayense"
"Cleistosphaeridium heteracanthum"
"Cleistosphaeridium huguoniotii"
"Cleistosphaeridium iaculigerum"
"Cleistosphaeridium insolitum"
"Cleistosphaeridium israelianum"
Cleistosphaeridium lacustre
"Cleistosphaeridium laxabaculum"
"Cleistosphaeridium leve"
"Cleistosphaeridium lumectum"
"Cleistosphaeridium machaerophorum"
"Cleistosphaeridium mediterraneum"
"Cleistosphaeridium microcystum"
"Cleistosphaeridium mikirii"
"Cleistosphaeridium minus"
"Cleistosphaeridium mojsisovicsii"
"Cleistosphaeridium multifurcatum"
"Cleistosphaeridium multifurcillatum"
"Cleistosphaeridium multispinosum"
"Cleistosphaeridium nanus"
"Cleistosphaeridium nenjiangense"
"Cleistosphaeridium oligacanthum"
"Cleistosphaeridium panniforme"
"Cleistosphaeridium panshanense"
"Cleistosphaeridium parvum"
"Cleistosphaeridium patagonicum"
"Cleistosphaeridium paucifurcatum"
"Cleistosphaeridium pectiniforme"
"Cleistosphaeridium perforoconum"
"Cleistosphaeridium pilosum"
Cleistosphaeridium placacanthum
"Cleistosphaeridium polyacanthum"
"Cleistosphaeridium polyozum"
"Cleistosphaeridium polypes"
Cleistosphaeridium polypetellum
"Cleistosphaeridium polytrichum"
"Cleistosphaeridium radiculopse"
Cleistosphaeridium regulatum
Cleistosphaeridium reticuloideum
"Cleistosphaeridium sarmentum"
"Cleistosphaeridium selseyense"
"Cleistosphaeridium separatum"
"Cleistosphaeridium shandongense"
Cleistosphaeridium sijuense
"Cleistosphaeridium solidum"
"Cleistosphaeridium sphericum"
"Cleistosphaeridium spinosum"
"Cleistosphaeridium spinulastrum"
"Cleistosphaeridium spiralisetum"
"Cleistosphaeridium spissum"
"Cleistosphaeridium tenue"
"Cleistosphaeridium tenuifilum"
"Cleistosphaeridium tianshanense"
"Cleistosphaeridium tiara"
"Cleistosphaeridium tribuliferum"
"Cleistosphaeridium uncinispinosum"
"Cleistosphaeridium varispinosum"
"Cleistosphaeridium williamsii"
"Cleistosphaeridium xinjiangense"