Arigan/The Beginning
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The Beginning is the first era of Arigan which spans from the emergence of the three beginning species of fauna through the end of the third thread. While there were many microscopic forms of life in Arigan's rich waters, only three became visible to the naked eye. These were the Skrelp, the Felg and the Burz.

Environment
Progenitors
Burz: Flying, carnivorous invertebrates which had difficulties with taking off from the ground. They reproduced by laying a single egg, usually on the leaf of a Fern.
Felg: Felgs were aquatic scavengers. They used smell-sensitive pores on their heads to identify dead bodies in the water, Skrelp or Burz. The sharp "tooth" at the front of their mouths was used for scraping off bits of flesh. They would reproduce by laying large clutches of externally fertilized eggs.
Skrelp: A small and primitive herbivore species. It fed with mouth tendrils and used its sense of smell to find patches of algae to feed on. It reproduced in large numbers via external fertilization of eggs.
Fern: The common fern was a photosynthesizing plant with a single root. Given ample sunlight, a single sprout could be incredibly far-reaching.
Thungus: A fungus which would develop a fruiting body for producing spores.
Burz Evolution

Perch Burz

Legged Burz
Status: Extinct
progenitor: Burz
-> Armored Burz
-> Diving Burz
An early species of Burz, the Perch Burz gets its name from its ambush hunting behaviors. They would hang onto the fronds of Ferns hanging over bodies of water, and wait for something to swim past, at which point they would drop down into the water and latch onto their prey and bring it to shore. These Burz would fiercely defend their hunting leaves from others of their species that would want to take it for themselves. Those which were able to defend their leaves and were well fed were desirable mates. The egg would be layed on the underside of the male's leaf.
The hair-like projections on the legs of Perch Burz were used for cleaning their wings, allowing for easier flight after crawling back out of the water.
Armored Burz

Armored Burz
Status: Extinct
progenitor: Perch Burz
-> Emburz
Burz with larger, more complete shells reproduce more easily. Over time, these armored Burz grow ever-thicker shells.
Emburz

Emburz
Status: Extant
progenitor: Armored Burz
-> Unknown
An offshoot remaining near the pools of the species' origin adapt a new chemical formula from the venom of their predecessors, a viscous fluid rich in sugar and nutrients that glows brightly in dim light. Large groups of Emburz hypnotise water-dwelling creatures with their rhythmic dance, causing them to surface, becoming easy prey. They have also developed more pointed chitin on their lower limbs, allowing them to skewer low-hanging parasites and eat them, while also better able to grab surface-bound meals.
Diving Burz

Diving Burz
Status: Extinct
progenitor:Perch Burz
-> Duburz
-> Canniburz
Duburz

Duburz
Status: Extinct
progenitor: Diving Burz
-> Durrd
Durrd

Durrd
Status: Extinct
progenitor: Duburz
-> Grasper Durrd
-> Venom-Beak Durrd
Grasper Durrd

Grasper Durrd
Status: Extant
progenitor: Durrd
-> Hunter Durrd
Hunter Durrd

Hunter Durrd
Status: Extinct
progenitor: Grasper Durrd
-> Spore Durrd
-> Stilt Durrd
-> Swift Durrd
Spore Durrd

Spore Durrd
Status: Extinct
progenitor: Hunter Durrd
-> Furry Durrd
Furry Durrd

Furry Durrd
Status: Extinct
progenitor: Spore Durrd
-> Surud
-> Clurrd
Surud

Surud
Status: Extant
progenitor: Furry Durrd
-> Unknown
Clurrd

Clurrd
Status: Extant
progenitor: Furry Durrd
-> Unknown
Stilt Durrd

Stilt Durrd
Status: Extinct
progenitor: Hunter Durrd
-> Flightless Durrd
-> Fird
Flightless Durrd

Flightless Durrd
Status: Extinct
progenitor: Stilt Durrd
-> Stridurd
Stridurd

Durrd
Status: Extant
progenitor: Daburz
-> Unknown
Fird

Fird
Status: Extant
progenitor: Stilt Durrd
-> Unknown
Swift Durrd

Swift Durrd
Status: Extant
progenitor: Hunter Durrd
-> Unknown
Venom-Beak Durrd

Venom-Beak Durrd
Status: Extant
progenitor: Durrd
-> Unknown
Canniburz

Canniburz
Status: Extant
progenitor: Diving Bu008
-> Unknown
Fan Burz

Burz
Status: Extinct
progenitor: Burz
->
Felg Evolution

Skrelp Evolution

Fin Skrelp

Fin Skrelp
Status: Extinct
progenitor: Skrelp
-> Proboscis Screlp
Proboscis Skrelp

Proboscis Skrelp
Status: Extinct
progenitor: Fin Skrelp
-> Purple Skrelp
-> Poison Skrelp
-> Land Skrelp
Purple Skrelp

Purple Skrelp
Status: Extinct
progenitor: Proboscis Skrelp
->
Fern Evolution

Thungus Evolution
