opisthoparian
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
20
Scrabble Score
13
Letters
3
Syllables
9
Unique Chars
Meaning
adj
Of a facial suture of a trilobite, terminating along the hind cephalic margin adaxial to the genal angle.
adj
Of or relating to the order †Opisthoparia of trilobites.
Example Sentences
- "Study of silicified ontogenetic series of opisthoparian (Aphelaspis), gonatoparian (Glaphyraspis), and proparian (Hardyoides) trilobites indicates the probable homology of cephalic spines in ptychopariid trilobites."