lancelet

How To Use lancelet In A Sentence

• Herbert Spencer's "line of individuation," must begin with the lancelet and its disputed head, and end in the Catarrhine or Old World monkey. Life: Its True Genesis
• Here he adopts the investigations of A. Kowalewsky, and the deductions of Häckel founded upon them, concerning the larva of the ascidiæ, a genus of marine mollusca of the order tunicata, and sees in a cord, to be found in this larva, most decided relationship to the spine of the lancelet fish or amphioxus, the lowest of all the vertebrates, it being yet doubtful whether it belongs at all to the vertebrates. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality
• If lancelets and the fossil ostracoderms are considered out-groups to living craniates, then the brains of the earliest craniates must have been very small for their body size.
• To tease out the details of the transition, other researchers recently turned to lancelets, vertebrates' closest spineless relatives.
• This much later appearance of the higher osseous fishes is quite in accordance with evolution, although some of the very lowest forms, the lancelet and the lampreys, together with the archaic ceratodus, have survived to our time. Darwinism (1889)
• Martin Brazeau has an excellent post on taphonomy at The Lancelet reporting a paper in which folks let poor innocent critters rot in order to ascertain which anatomical features are likely to be preserved and which are likely to be lost before fossilization, and the implications for interpreting fossils of ‘soft’ tissues for phylogenetics. The Panda's Thumb: Transitional Fossils Archives
• As examples, she worked on lampreys in the early sixties, molluscs and lancelet in the early seventies, and teleosts in the early eighties.
• To tease out the details of the transition, other researchers recently turned to lancelets, vertebrates' closest spineless relatives.
• The lancelet is a filter feeder and has several organs to aid in consumption and digestion. CreationWiki - Recent changes [en]
• In lancelets, the trunk somites extend and fuse ventrally to give the unsegmented periviscelar coelom.