-
Polydesmia is a
genus of
fungi within the
family Hyaloscyphaceae. The
genus contains 7 species.
Lumbsch TH,
Huhndorf SM (December 2007). "Outline of Ascomycota...
- of the
Cambrian extinction,
which makes any
connection hypothetical.
Polydesmia was once
thought to be the
ancestral form of the actinocerids, and was...
- Bathmoceratidae. At one time
Bathmoceras was
thought to have
possibly given rise to
Polydesmia, once
thought to have been the
ancestral actinocerid.
Since then revision...
-
Middle Ordovician Discoactinoceras,
whose ancestry lay in the
direction of
Polydesmia, once
considered the
prototypical actinocerid. Flower, (1968) on the other...
-
ancestor remains elusive.
Wutinoceras was once
thought to be
derived from
Polydesmia from
northern China,
which was later)
found to come from beds that overlie...
- Svrček – 1 sp.
Pleoscutula Vou. – 3 spp.
Podophacidium Niessl – 2 spp.
Polydesmia Boud. – 7 spp.
Polyphilus D.G.Knapp, Ashrafi, W.Maier & Kovács – 2 spp...
- †Pleuroncoceras †Pleurorthoceras †Plicatoceras †Plummeroceras †Podoliceras †
Polydesmia †Polyelasmoceras †Polygrammoceras †Poterioceras †Poteriocerina †Potoceras...
- Beaton, 1978 (1)
Pilatia Velen. (4)
Polaroscyphus Huhtinen, 1987 (1)
Polydesmia Boud. (6)
Proprioscypha Spooner (2)
Protounguicularia Raitv. & R.Galán...
-
Trimerellida of the
Floian Dinobolus Actinocerida Metactinoceras Ordosoceras Polydesmia The
following is a list of
Actinocerid genera whose fossils are geochronologically...
