Megaquarium

Megaquarium

Arborispongia
3 Comments
Rime Pendragon 17 Nov, 2021 @ 1:34pm 
Ah, ok.
Flishster  [author] 17 Nov, 2021 @ 8:52am 
Yes, it is an extinct sponge. :)
Rime Pendragon 17 Nov, 2021 @ 7:13am 
Is this supposed to be unlocked by science research ?