NAME Hypoxylonites pirozynskioides
AGE Middle Eocene.   AGE span: 48.6...37.2 mya
K&J CLASSIFICATION (2000) Fungi Imperfecti, Amerosporae.
FIGURE(S)
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Pl.4fig.9.jpg
FIGURE REFERENCE Elsik WC. 1990. Hypoxylonites and Spirotremesporites, form genera for Eocene to Pleistocene fungal spores bearing a single furrow; Palaeontographica, Abt. B, v. 216, p.137-169.
SPECIES, AUTHORITY H. pirozynskioides Elsik 1990a, p. 155, pl. 2, fig. 83.
LOCATION Claiborne Group of Henry County, Tennessee, USA. Also reworked into Neogene sediments offshore Louisiana, USA.
ORIG DESCRIPTION* Aseptate, psilate fungal spores ca. 6-7 x 11 µm. Outline irregularly elliptical, notched at one or both ends by a gaping longitudinal furrow which reaches to or just beyond, i.e. around, each end of the spore. Spore wall 0.25-0.5 µm, not generally folded.
COMMENTS* The furrow of Hypoxylonites pirozynskioides is much longer than the furrow of H. pirozynskii. Hypoxylonites vicksburgensis is similar but it is larger.

Derivation: Named for its similarity to Hypoxylonites pirozynskii.
PUBLICATION REFERENCE Elsik WC. 1990. Hypoxylonites and Spirotremesporites, form genera for Eocene to Pleistocene fungal spores bearing a single furrow; Palaeontographica, Abt. B, v. 216, p.137-169.
K&J REMARKS
TYPE
ALL NAMES (Including synonyms) Hypoxylonites pirozynskioides
SERIAL NUMBER 741
PUBLIC COMMENTS
 *For source, see Publication Reference.