12-21 leaflet pairs
3-5 mm long; short beak (pictured on top of seed); loose, shiny, inflated covering often preserved in lake sediments; in ...
elliptic, seed coat dull, 2.2-4.5 mm long. Pits 3-4 angles, longer than wide, distributed irregularly across seed coat.
ovate-lanceolate, 1.5-2.5 mm long; white hilum (attachment scar) with black border
globose, 0.3-0.5 mm in diameter; ridges trisecting spore into three parts; covered in tubercles (nodules)
flattened-round, 1-1.5 mm long; pitted, narrowly winged near tips
broadly elliptic, 0.4-0.6 mm long; longitudinally ridged; both ends (hilum and chalazal) are conspicuos
arched-oblong, body 2-3 mm long; flattish; stalked at one end, style base persisting on other; spinelike projections alon...
earlike shape (with covering removed), 4-5 mm long; very short, blunt beak; indented along margin and face; coiled embryo...
Terete, black, 0.3-0.5 mm long. Spiral markings (striae). Two basal impressions present.
earlike shape (with covering removed; covering is ovate in shape), 4-5 mm long; pronounced beak up to 1 mm long; indented...
earlike shape (with covering removed), 4-5 mm long; pronounced beak up to 1 mm long; coiled embryo
subfossil fruit; ear-shaped; small size suggests that embryo is immature
2-3 mm long, round with pronounced ridge and small beak (at top of seed)
2-3 mm long, round with pronounced marginal ridge and small beak (at end of ridge on top of seed)
elliptic in outline, lenticular in cross section, body ~5 mm long; abundant marginal spines; woody wall
globose, 0.4-0.5 mm in diameter; covered in prickly tubercles (warty bumps) ridges trisecting spore into three parts
earlike shape (with covering removed), 4-5 mm long; very short, blunt beak; indented along margin and face; coiled embryo...
fragile, dark stem; foliar scars alternate, formed from basal remains leaves; leaves acuminate (tapering to a point) tran...
elliptic in outline, lenticular in cross section, body ~5 mm long; 2-3 marginal spines; body more elongate than C. echina...
broadly elliptic, 1 mm long; longitudinally ridged; both ends (hilum and chalazal) are conspicuos
earlike shape (with covering removed), 2-4 mm long; short beaked; indented along margin and face; coiled embryo
