NAME Trihyphites fractus
AGE Late Eocene-Middle Oligocene.   AGE span: 37.2...28.4 mya
K&J CLASSIFICATION (2000) Fungi Imperfecti, Staurosporae.
FIGURE(S)
Image of
Pl.17fig.4.jpg
FIGURE REFERENCE Song Z, Li G, Cao L, Luo H, Sun Z. 1989. Early Tertiary sporo-pollen assemblages from the Dongpu region; Edited by Research Institute of Exploration and Development, Zhongyuan Petroleum Exploration Bureau, Nanjing Institute of Geology and Palaeontology, Academia Sinica. 192 p.
SPECIES, AUTHORITY T. fractus (Song & Cao) Kalgutkar & Jansonius 2000
LOCATION Shahejie Formation: Shenxian county of Shandong Province, China.
ORIG DESCRIPTION* Spore consists of triradiate hyphae. Hyphal arms generally incomplete; lengths of hyphal projections may be unequal [due to fragmentation?]. Longest hypha of holotype about 60 µm, short one about 20 µm, 10-16 µm in breadth. Spores multicellular, most cells nearly square in shape, contact areas between cells with slight indistinct constriction. Septa with septal folds, but without pores. Spore wall composed of two layers, about 1-1.5 µm in thickness, surface smooth or dotted.
COMMENTS*
PUBLICATION REFERENCE Song Z, Li G, Cao L, Luo H, Sun Z. 1989. Early Tertiary sporo-pollen assemblages from the Dongpu region; Edited by Research Institute of Exploration and Development, Zhongyuan Petroleum Exploration Bureau, Nanjing Institute of Geology and Palaeontology, Academia Sinica. 192 p.
K&J REMARKS A second specimen illustrated shows one arm that is rounded and closed at the distal end, the others being much shorter and apparently broken. The holotype, though nearly opaque, shows the presence of septa right to the base of the hyphal projections, leaving a relatively small triangular central cell. In this, the structure differs from Mossopisporites multicellulus, in which the hyphal cells are very squat, the central area is subdivided into many shallow cells, but the hyphal projections appear to end in an open "pore." In Alleppeysporites, the hyphal arms end in characteristic narrow extensions, and there is no differentiated central area. In Tribolites, the central cell is much larger than the cells in the hyphal projections.
TYPE
ALL NAMES (Including synonyms) Trihyphaecites fractus Song & Cao, in Song Zhichen, Li Guangxing, Cao Liu, Luo Haicen & Sun Zihua 1989, p. 46, pl. 4, fig. 21.; Trihyphites fractus
SERIAL NUMBER 1748
PUBLIC COMMENTS
 *For source, see Publication Reference.