Spermatophyte plants that have unenclosed, "naked seeds": The fifth extant division is the flowering plants, also known as angiosperms or magnoliophytes, the largest and most diverse group of spermatophytes. Angiosperms possess seeds enclosed in a fruit, unlike gymnosperms. In addition to the taxa listed above, the fossil record contains evidence of many extinct taxa of seed plants. The so-called "seed ferns" (Pteridospermae) were one of the earliest successful groups of land plants, and forests dominated by seed ferns were prevalent in the late Paleozoic. "Glossopteris" was the most prominent tree genus in the ancient southern supercontinent of Gondwana during the Permian
APA Division of Clinical Neuropsychology later conference at Houston, Texas, where Division 40 was represented along with other neuropsychology-related organizations, produced the formal criteria for training and education in the field. Division 40 was one of the sponsoring organizations of the Houston conference. Division 40 has evolved over time, forming four advisory committees on science, education, practice and public interest, mirroring the overall structure of the APA. It is one of the three largest divisions of the APA. The division had 636 members in 1981, 1785 members in 1985, 3880 in 1995, and 4348 in 1998. Currently it has around 5000 members, indicative of growth