Definition of Pteruchus. Meaning of Pteruchus. Synonyms of Pteruchus

- Pteruchus is a form genus for pollen organs of the seed fern (Pterido****tophyta family Umkomasiaceae. It was first described by Hamshaw Thomas from...
- bore forked Dicroidium leaves, Umkomasia cu****te ovulate structures and Pteruchus pollen organs, which grew as trees that were widespread over Gondwana...
- Pteruchus barrealensis is an unusually large species of Pteruchus with very elongate polleniferous heads from Early Tri****ic of Australia and Argentina...
- pollen organs Pteruchus afric**** differ from other species of Pteruchus in small size, and equant blade supporting the pollen sacs. Pteruchus afric**** may...
- Umkomasia, while the pollen-producing organs are ****igned to the genus Pteruchus, with pollen attributable to the genus Falcisporites. These structures...
- pollen sacs on their inner surface. This structure bear similarities to Pteruchus (the pollen organ of corystosperm seed ferns), Antevsia (the pollen organ...
- of cuticular similarities that the same plant produced pollen organs Pteruchus and the leaves Dicroidium. Various other corystosperm seed bearing organs...
- distribution. Umkomasia macleanii may have been produced by the same plant as Pteruchus afric**** (pollen organs) and Dicroidium odontopteroides (leaves), based...
- cycad Pteruchus frenguellii Sp. nov In press Blomenkemper et al. Late Permian Umm Irna Formation  Jordan A pollen organ of a seed fern Pteruchus lepidus...
- Barbacka; Marion K. Bamford; W. B. Keith Holmes; John M. Anderson (2019). "Pteruchus (microsporophyll): part 2 of a re****essment of Gondwana Tri****ic plant...