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A. borealis.png
No.053 A. borealis
Rarity  Rarity.pngRarity.png
Vitality D Fertility S
Evolution B Adaptation B
Trophic LV B Size D
A mollusk that lives near Codium fragile. In cool climates, they have taken the place of Dinorthis.
Height icon.png Height Shallows
Temp icon.png Birth Temp. 19°C ~ 29°C
Temp icon.png Adaptation Temp. 7°C ~ 39°C

A. borealis is one of the organisms in Birthdays the Beginning.

Ancestor: Dinorthis

Descendants: Monorthis

No.052 Spinomedusa Organisms No.054 Pleophacops