2 Systematic Descriptions
95
species isolated from one and the same sporangium. Likewise, marked dimorphism in the pattern of the ridges was found in pollen from the same sporangium.
The main difference between the Permian specimens and recent Ephedra seems
to be by the number of ribs and accompanying grooves, which so far appear to be
more numerous in recent forms than in the fossil ones. However, more specimen
need to be studied in detail to confirm the difference.
Gnetaceaepollenites sinuosus was recorded and described from the Collie Basin
by Backhouse (1991) under Praecolpites sinuosus and P. ovatus.
References
Anderson JM (1977) The biostratigtraphy of the Permian and Triassic part 3. A review of Gondwanan
Permian palynology with particular reference to the Northern Karoo Basin, South Africa. Mem
Bot Surv South Africa 41:1–67
Andrews HN, Mamay SH (1951) A new American species of Bowmanites. Bot Gaz 113:158–165
Backhouse J (1988) Trilete spores from the Collie Basin, Western Australia. Assoc Australasian
Paleontol Mem 5:53–72
Backhouse J (1991) Permian palynostratigraphy of the Collie Basin, Western Australia. Rev
Palaeobot Palynol 67:314–337
Balme BE (1959) Some palynological evidence bearing on the development of the Glossopteris
flora. Symp Roy Soc Victoria 25:269–280
Balme BE (1952) The principal microspores of the Permian of Collie. In: Lord JH. Collie mineral
field. West Aust Geol Surv Bull 105(2):164–201
Balme BE, Segroves KL (1966) Peltacystia gen.nov.; a microfossil of uncertain affinities from the
Permian of Western Australia. R Soc West Aust J 19:26–31
Balme BE (1963) Plant microfossils from the lower triassic of Western Australia. Palaeontology
6(1):12–40
Balme BE (1969) The Permian–Triassic boundary in Australia. Spec Publ Geol Soc Aust 2:99–112
Balme BE (1970) Palynology of Permian-Triassic strata in the Salt Range and Surghar Range, West
Pakistan. In: Kummel B, Teichert C (eds) Startigraphic boundary problems: Permian and Triassic
of West Pakistan. University Press of Kansas, Dept. of Geology Special Publ, vol 4, pp 306–453
Balme BE, Hennelly JPF (1955) Bisaccate sporomorphs from Australian Permian coals. Aust J Bot
3(1):89–98
Balme BE, Playford G (1967) Late Permian plant microfossils from the Prince Charles Mountains,
Antarctica. Rev Micropal 10:179–192
Balme BE, Hennelly JPF (1956) Monolete, Monocolpate, and Alete Dporomorphs from Australian
Permian coals. Aut J Bot 4(1):54–67
Balme BE, Hassell CW (1962) Upper Devonian spore from the Canning Basin, Western Australia.
Micropalaeontology 8(1):1–28
Banerjee M, D’Rozario A (1990) Palynostratigraphic correlation of Lower Gondwana sediments
in the Chuparbhita and Hura Basins. Rajmahal Hills, Eastern India
Bharadwaj DC (1962) The miospore genera in the coals of Raniganj Stage (Upper Permian), India.
The Palaeobotanist 9:68–106
Bharadwaj DC (1964a) Potonieisporites Bharadwaj: Ihre Morphologie, Systematik und Stratigraphie. Fortsch Geol Rheinld Westf 12:45–54
Bharadwaj DC (1964b) The organisation in pollen grains of some early conifers. The Palaeobotanist
12:18–27
95
species isolated from one and the same sporangium. Likewise, marked dimorphism in the pattern of the ridges was found in pollen from the same sporangium.
The main difference between the Permian specimens and recent Ephedra seems
to be by the number of ribs and accompanying grooves, which so far appear to be
more numerous in recent forms than in the fossil ones. However, more specimen
need to be studied in detail to confirm the difference.
Gnetaceaepollenites sinuosus was recorded and described from the Collie Basin
by Backhouse (1991) under Praecolpites sinuosus and P. ovatus.
References
Anderson JM (1977) The biostratigtraphy of the Permian and Triassic part 3. A review of Gondwanan
Permian palynology with particular reference to the Northern Karoo Basin, South Africa. Mem
Bot Surv South Africa 41:1–67
Andrews HN, Mamay SH (1951) A new American species of Bowmanites. Bot Gaz 113:158–165
Backhouse J (1988) Trilete spores from the Collie Basin, Western Australia. Assoc Australasian
Paleontol Mem 5:53–72
Backhouse J (1991) Permian palynostratigraphy of the Collie Basin, Western Australia. Rev
Palaeobot Palynol 67:314–337
Balme BE (1959) Some palynological evidence bearing on the development of the Glossopteris
flora. Symp Roy Soc Victoria 25:269–280
Balme BE (1952) The principal microspores of the Permian of Collie. In: Lord JH. Collie mineral
field. West Aust Geol Surv Bull 105(2):164–201
Balme BE, Segroves KL (1966) Peltacystia gen.nov.; a microfossil of uncertain affinities from the
Permian of Western Australia. R Soc West Aust J 19:26–31
Balme BE (1963) Plant microfossils from the lower triassic of Western Australia. Palaeontology
6(1):12–40
Balme BE (1969) The Permian–Triassic boundary in Australia. Spec Publ Geol Soc Aust 2:99–112
Balme BE (1970) Palynology of Permian-Triassic strata in the Salt Range and Surghar Range, West
Pakistan. In: Kummel B, Teichert C (eds) Startigraphic boundary problems: Permian and Triassic
of West Pakistan. University Press of Kansas, Dept. of Geology Special Publ, vol 4, pp 306–453
Balme BE, Hennelly JPF (1955) Bisaccate sporomorphs from Australian Permian coals. Aust J Bot
3(1):89–98
Balme BE, Playford G (1967) Late Permian plant microfossils from the Prince Charles Mountains,
Antarctica. Rev Micropal 10:179–192
Balme BE, Hennelly JPF (1956) Monolete, Monocolpate, and Alete Dporomorphs from Australian
Permian coals. Aut J Bot 4(1):54–67
Balme BE, Hassell CW (1962) Upper Devonian spore from the Canning Basin, Western Australia.
Micropalaeontology 8(1):1–28
Banerjee M, D’Rozario A (1990) Palynostratigraphic correlation of Lower Gondwana sediments
in the Chuparbhita and Hura Basins. Rajmahal Hills, Eastern India
Bharadwaj DC (1962) The miospore genera in the coals of Raniganj Stage (Upper Permian), India.
The Palaeobotanist 9:68–106
Bharadwaj DC (1964a) Potonieisporites Bharadwaj: Ihre Morphologie, Systematik und Stratigraphie. Fortsch Geol Rheinld Westf 12:45–54
Bharadwaj DC (1964b) The organisation in pollen grains of some early conifers. The Palaeobotanist
12:18–27