Note: This is an open project. This means that anybody can contribute to descendants of the lifeforms listed, however, nobody but me can edit the list of the animals brought to this planet. The descendants put in must also be described in perfect grammar.
This is a terraformed planet with a difference. Instead of a high invertebrate diversity and a low chordate diversity, it is the other way around. There were 6 chordates and only 1 invertebrate introduced. The lifeforms introduced are listed below:
Various bacteria and archaea.
Various microbial algae.
Echiniscoides sigismundi (Tardigrade).
Branchiostoma lanceolatum (Lancelet).
Branchiostoma floridae (Lancelet).
Epigonichthys hectori (Lancelet).
Epigonicthys australis (Lancelet).
Clavelina moluccensis (Tunicate).
Oikopleura dioica (Tunicate).
This planet is a super-Earth, about 1.5 times the size of Earth. About 67% of it's surface is covered in water, with no ice. The climate is very tropical, with a worldwide temperature similar to the Amazon Rainforest. The gravity is about the same as Earth, and the oxygen levels are about 20%, only slightly lower.
Post your descendants of the lifeforms listed here. It must have near flawless grammar, and obviously has to be in English. The project is set 400 million years after landing. It may seem like a big task, but with this amount of time extreme biodiversity is inevitable. Also, you can only make species in orders already listed by the creator of this project.
Order: Pseudogaleoformes. Edit
Description: Descendants of lancelets, pseudogaleoformes are the top predators of the oceans and rivers of Terra Chordata. Like many lancelet descendants, pseudogaleoformes have evolved to have spines instead of lancelet notochords. Their general appearance is that of a lancelet, but the skin is no longer transparent, and the mimosa has evolved into a killing weapon. Also like most lancelet descendants, they have evolved eyes and a true brain.
Description: Descended from lancelets, this is an extremely diverse group of neovertebrates, With over 85,000 species*, they are actually the most diverse group of chordates in the universe. Ranging from small parasites to 100 foot filter feeders, piscibranchiostomiformes have taken most fish niches on Terra Chordata. They have spines and brains, but only 5 in 10 species possess eyes. Like their relatives, the pseudogaleoforms, they no longer have transparent skin.
- Don't try to speculate on them all!
Description: Descended from lancelets, pseudosuchiformes are some of the most derived forms of life on this planet. They have 4 eyes, and the mimosa has evolved into a killing weapon. Pseudosuchiformes do not have gills, instead they have "lungs", and all species are at least partially terrestrial. Their name comes from their long snouts. Most do not have see through skin, but a few herbivorous species use transparent skin to hide in the water. All have developed 3 sets of strange limbs, resenbling stumps.
Description: Descended from tunicates, these strange creatures form the reefs in the rivers and oceans of Terra Chordata. They are usually brightly colored, and have ecosystems not only living among them, but also inside their bodies.
Descendants of tardigrades, insectsicutiformes fill the niches of terrestrial and marine invertebrates of this planet, and not only insects. There are many forms that resemble earthworms, as well as forms that spin webs to catch prey, much like spiders. They have 100,000 species*.
- Again, don't try to speculate on them all.