NAME Diporicellaesporites extensus
AGE Late Paleocene.   AGE span: 58.7...55.8 mya
K&J CLASSIFICATION (2000) Fungi Imperfecti, Phragmosporae.
FIGURE(S)
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FIGURE REFERENCE Mustard PS, Rouse GE. 1994. Stratigraphy and evolution of Tertiary Georgia Basin and subjacent Upper Cretaceous sedimentary rocks, southwestern British Columbia and northwestern Washington State; Geological Survey of Canada, Bulletin 481, p. 97-169.
SPECIES, AUTHORITY D. extensus Rouse & Mustard 1997, p. 208.
LOCATION Strait of Georgia, eastern Vancouver Island, the Fraser River lowlands of southwest British Columbia, Canada, and northwestern Washington State, USA.
ORIG DESCRIPTION* Fungal spores elongate fusiform; diporate, with circular pore at each apex; 10 septa, each with a central pore; wall dark brown and levigate, about 0.5 µm thick; septa also about 0.5 µm thick. Apical cells small and triangular, with circular pore and walls extending to form a point. Dimensions; range of length 64-68 µm; of width 28-30 µm.
COMMENTS* This species differs from Diporicellaesporites laevigataeformis Ke & Shi 1978 in a more pronounced and elongate fusiform shape, 10 septa versus 3, and triangular protruding pores.
PUBLICATION REFERENCE Mustard PS, Rouse GE. 1994. Stratigraphy and evolution of Tertiary Georgia Basin and subjacent Upper Cretaceous sedimentary rocks, southwestern British Columbia and northwestern Washington State; Geological Survey of Canada, Bulletin 481, p. 97-169.
K&J REMARKS The species name was not validly published in 1994, when also the specific epithet was given grammatically incorrect as "extendus."
TYPE
ALL NAMES (Including synonyms) Diporicellaesporites extendus Mustard & Rouse 1994, p. 142, pl. 5, fig. 7 (nom. nud.).; Diporicellaesporites extensus
SERIAL NUMBER 369
PUBLIC COMMENTS
 *For source, see Publication Reference.