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Hystrichosphaeridium articulatum

"Hystrichosphaeridium articulatum" (Eisenack, 1938b, p.186; text-fig.4) Pastiels, 1948, p.42.

TYPE: Holotype: Eisenack, 1954b, pl.7, fig.3 (not pl.7, fig.1 as indicated in Eisenack, 1954b, p.90).

HISTORY: NOW: Wetzeliella. Originally (and now) Wetzeliella, subsequently Hystrichosphaeridium, thirdly Wetzeliella subgenus Wetzeliella.

SYNONYM(S): Taxonomic junior synonyms: Rhombodinium (as Wetzeliella) coronatum, Rhombodinium pentagonum, Wetzeliella echinulata, and Wetzeliella hampdenensis, all according to Costa and Downie (1979, p.40,43) - however, Lentin and Williams (1981, p.290) retained Wetzeliella hampdenensis; Wetzeliella horrida, according to Stover and Evitt (1978, p.131); Wetzeliella (now Charlesdowniea) clathrata, according to Pastiels (1948, p.42) - however, this synonymy has not been generally accepted.

AGE: Late Eocene-Early Oligocene.


Infraspecific taxa:


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