selachian
— Noun
– English
~ any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid scales: sharks; rays; skates
selachii
— Noun
– English
~ sharks; rays; dogfishes; skates
Selaginella lepidophylla
— Noun
– English
~ densely tufted fern ally of southwestern United States to Peru; curls up in a tight ball when dry and expands and grows under moist conditions
Selaginella
— Noun
– English
~ type and sole genus of the Selaginellaceae; evergreen moss-like plants: spike moss and little club moss
Selaginella apoda
— Noun
– English
~ spikemoss forming dense mats; eastern North America