Definition of Archaeopteris. Meaning of Archaeopteris. Synonyms of Archaeopteris

- gymnosperms. Archaeopteris reproduced by releasing spores rather than by producing seeds, but some of the species, such as Archaeopteris halliana were...
- leaves. Archaeopteris macilenta leaves and fertile shoots are attached to wood which when permineralized is called Callixylon newberryi. Archaeopteris is retained...
- present, including roots, leaves and secondary wood in trees such as Archaeopteris. The Carboniferous period saw the development of forests in swampy environments...
- trunks, fronds, and roots. The earliest tree was once thought to be Archaeopteris, which bears simple, fern-like leaves spirally arranged on branches...
- ferns, from earlier progymnosperms), first trees (the progymnosperm Archaeopteris), and first winged insects (palaeoptera and neoptera). Strophomenid...
- Middle Devonian (about 385 million years ago). Prior to this discovery, Archaeopteris was the earliest known tree. Both of these reproduced by spores rather...
- was later discovered to be a member of the same family as the genus Archaeopteris. It was a series of pieces that were eventually reconstructed to form...
- accompanied by the progymnosperms, including the first large trees Archaeopteris. The Late Devonian extinction probably also resulted in osteolepiform...
- several separate lineages of vascular plants, in progymnosperms like Archaeopteris, in Sphenopsida, ferns and later in the gymnosperms and angiosperms...
- the Aztec Siltstone, there is a strong indication that the trees were Archaeopteris-Callixylon. In upper New York State, there have been Devonian trees...