Magallanesium densispinatum

"densispinatum" (Stanley, 1965, p.226–227, pl.21, figs.1–5) Quattrocchio and Sarjeant, 2003, p.140.  Holotype: Stanley, 1965, pl.21, figs.1–3.  NOW Spinidinium.  Originally (and now) Spinidinium, subsequently Magallanesium. Taxonomic junior synonym: Spinidinium microceratum, according to Stone (1973, p.53–54).  Age: Paleocene.

Parent: Magallanesium