biology notes

Bryozoan cell lineage

What happens when cleavage patterns evolve? Some insights from bryozoan embryonic development:

Summary bryozoan cell lineage
biology notes

Brachiopod segment polarity

Paper! How are segment polarity genes expressed in an animal without segments?

Brachiopod segment polarity and the head-trunk boundary.
biology notes

Ribbon worm development

Our paper on the unique development of a ribbon worm and the evolution of larval forms:

Adult specimen of Ribbon worm Lineus ruber (Nemertea).

See more about Lineus ruber.

articles biology

Turtles, embryos, and fossils

I wrote a text about the development and evolution of the turtle shell on The Node: Turtles in a nutshell.

800px TurtleOmaha
Turtle at Henry Doorly Zoo, Omaha. Photo by Algy3289.

It shows the beginning of shell formation in embryos and how this can help us understand the evolution of such unique body pattern. 3D animations and fossils are included!

Never thought I would post a vertebrate on this website… but having shoulders inside the rib cage made me make an exception, poor things :p