Pterospermopsis pelagica Appendix A

"pelagica" Eisenack, 1954b, p.71, pl.12, figs.17-18.  Emendation: Benedek and Gocht, 1981, p.59-61, as Thalassiphora pelagica.  Holotype: Eisenack, 1954b, pl.12, fig.17.  NOW Thalassiphora.  Originally Pterospermopsis, subsequently (and now) Thalassiphora, thirdly Disphaeria.  Taxonomic junior synonyms: Thalassiphora sueroi and Thalassiphora (as Disphaeria) balcanica, both according to Stover and Evitt (1978, p.194) - however, Sütő-Szentai (2000, p.162) retained Thalassiphora (as Spiniferites) balcanica.  Pterocystidiopsis (as Thalassiphora) velata and Adnatosphaeridium (as Thalassiphora) patulum, both according to Benedek and Gocht (1981, p.59) - however, Lentin and Williams (1985, p.354) retained Thalassiphora patula and Brinkhuis and Biffi (1993, p.179) retained Pterocystidiopsis (as and now Thalassiphora) velata; Subathua sahnii, according to Lentin and Williams (1985, p.340) - however, Subathua sahnii is now considered to be a taxonomic junior synonym of Adnatosphaeridium (as and now Thalassiphora) patulum; Subathua spinosa, according to Lentin and Williams (1985, p.340) - however, Stover and Williams (1987, p.207) retained Subathua (as Thalassiphora) spinosa (now Thalassiphora simlaensis).  Age: Late Eocene-Early Oligocene.

Parent: Pterospermopsis