insider.si.edu

The central nervous system of vertebrates; a general survey of its comparative anatomy with an introduction to the pertinent fundamental biologic and logical concepts

v. 1. Propaedeutics to comparative neurology.--v. 2. Invertebrates and origin of vertebrates.--v. 3, pt. 1. Structural elements: biology of nervous tissue.--v. 3, pt ...
Ars Technica

The armor of armored fish started out as part of the nervous system

Our skeleton is kind of strange. Most of it forms from the same tissue that makes things like our muscle and connective tissue. The exception is a big chunk of our face, like the jaws and nasal ...
insider.si.edu

Across the bridge : understanding the origin of the vertebrates / Henry Gee

What is a vertebrate?. Vertebrates in context ; What makes a vertebrate? ; Breaking branches ; Summary -- Shaking the tree. Embranchements and transformation ; Evolution and ancestors ; Summary -- ...
Science Daily

Squid and octopus genome studies reveal how cephalopods' unique traits evolved

Squid, octopus, and cuttlefish -- even to scientists who study them -- are wonderfully weird creatures. Known as the soft-bodied or coleoid cephalopods, they have the largest nervous system of any ...