- Osteichthyes (/ˌɒstiːˈɪkθi.iːz/), also known as osteichthyans or commonly referred to as the bony fish, is a diverse superclass of vertebrate animals that have endoskeletons primarily composed of bone tissue. They can be contrasted with the Chondrichthyes (cartilaginous fish) and the extinct placoderms and acanthodians, which have endoskeletons primarily composed of cartilage. The vast majority of extant fish are members of Osteichthyes, being an extremely diverse and abundant group consisting of 45 orders, over 435 families and 28,000 species. It is the largest class of vertebrates in existence today, encompassing most aquatic vertebrates, as well as all semi-aquatic and terrestrial vertebrates.
- Medieval Sourcebook: Anselm (1033-1109): Proslogium (fordham.edu)
In this brief work the author aims at proving in a single argument the existence of God, and whatsoever we believe of God. –The difficulty of the task. –The author writes in the person of one who contemplates God, and seeks to understand what he believes. To this work he had given this title: Faith Seeking Understanding. He finally named it Proslogium, –that is, A Discourse.