Sand Crastrum

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Sand Crastrum
(Spiralifolium dunarta)
Artwork of Sand Crastrum
Species is extinct.
21/135, Habitat loss (Ice age)
Creator Russ1 Other
Taxonomy
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
Eukaryota
Chloroasterobiota
Chloroasterophyta
Crescoasteropsida
Chlorastrales
Chlorastraceae
Spiralifolium
Spiralifolium dunarta
Week/Generation 18/122
Habitat Clayren Coast, Clayren Beach, Ovi Coast, Ovi Beach
Size 2 cm Wide
Primary Mobility Unknown
Support Unknown
Diet Photosynthesis
Respiration Passive Diffusion
Thermoregulation Ectotherm
Reproduction Budding


The sand crastrum has split from its ancestor. It has adapted to live in the shallow waters and on the sands of the coast. Crastrum that were washed onto the beaches quickly dried out and the only ones to survive were the sand crastrum. During the day, the crastrum will either float on the surface of the water or sit on the surface of the sand. Thicker surfaces and a smaller surface area means they don't lose too much water. The sand crastrum has enhanced it's movement. Though its movement is slow, each tendril can be used to pull the crastrum along the sand or to swim through the water.

During the night when photosynthesis stops, the crastrum will move beneath the top layer of the sand to escape night herbivores. They still reproduce in the same way as their ancestor, except they only bud in water and not on land.

Living Relatives (click to show/hide)

These are randomly selected, and organized from lowest to highest shared taxon. (This may correspond to similarity more than actual relation)
  • Bell Calmstrum (class Crescoasteropsida)