L1A1B3Y4R1I1N1T1H4O1D2O1N1T1
23 points
LABYRINTHODONT is validvalid
[n LABYRINTHODONTS]
an extinct amphibian, so called from a mazy pattern on a section of its teeth [n -S]
[n LABYRINTHODONTS]
an extinct amphibian, so called from a mazy pattern on a section of its teeth [n -S]