noun
Meaning 1
Any of the extinct phylum †Frondomorpha (syn. †Petalonamae) of motionless archaic animals that resemble leaves.
Definition source: English Wiktionary via Wiktextract
Topics: biology, history, human-sciences, natural-sciences, paleontology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: petalonamid
Antonyms: none provided