Hafniasphaera

HAFNIASPHAERA Hansen, 1977, p.13–14.  Emendation: Fensome et al., 2009, p.34.  Originally (and now) Hafniasphaera, subsequently Spiniferites subgenus Hafniasphaera.  Taxonomic senior synonym: Spiniferites, according to Stover and Williams (1987, p.117) — however, Edwards (1996, p.989) retained Hafniasphaera.  Taxonomic junior synonym: Rivernookia, according to Lentin and Williams (1985, p.311).  Fensome et al. (2009, p.34) retained Hafniasphaera at generic rank.  Type: Hansen, 1977, fig.18A, as Hafniasphaera hyalospinosa.

Parent: Subfamily Gonyaulacoideae

Species List:

Hafniasphaera australis
Hafniasphaera cryptovesiculata
Hafniasphaera delicata
Hafniasphaera fluens
Hafniasphaera goodmanii
Hafniasphaera graciosa
*Hafniasphaera hyalospinosa
Hafniasphaera septata