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Islandinium
From Williams et al., 2017:
[Islandinium, Head et al., 2001, p. 629
Type species: originally as Multispinula? minuta, Harland et al., 1980 (fig.2O)] ; Islandinium minutum n. comb.; included species Islandinium? cezare n. comb
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Original description: [Head et al., 2001]:
Diagnosis:
Cysts brown in colour, having spheroidal central body whose wall is smooth to finely ornamented.Processes numerous, non-tabular, terminating distally inacuminate or expanded, including branched, tips. Principal and occasionally accessory archeopyle sutures are only clear expression of tabulation.
Archeopyle saphopylic Type A3,formed by loss of three apical plates, 2′,3′and 4′. Operculum free; opercular pieces lost separately.
[Islandinium, Head et al., 2001, p. 629
Type species: originally as Multispinula? minuta, Harland et al., 1980 (fig.2O)] ; Islandinium minutum n. comb.; included species Islandinium? cezare n. comb
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Head et al., 2001]:
Diagnosis:
Cysts brown in colour, having spheroidal central body whose wall is smooth to finely ornamented.Processes numerous, non-tabular, terminating distally inacuminate or expanded, including branched, tips. Principal and occasionally accessory archeopyle sutures are only clear expression of tabulation.
Archeopyle saphopylic Type A3,formed by loss of three apical plates, 2′,3′and 4′. Operculum free; opercular pieces lost separately.