The subtriangular pattern is retained in the most specialized species of Cratogeomys where that pattern is associated with extreme platycephaly in the gymnurus species-group.
Primitively, M3 was probably subtriangular in cross-section, and the posterior loph evidently projected posteriorly as a short, rudimentary heel that formed the apex of the triangle.
Easily recognized by the largesubtriangular patch of orange-red at the apex of the primaries.
Pentatoma and other Heteropterous Hemiptera a similar piece is observable, which terminates in a convex bilobed subtriangular sheath, receiving the base of the clavicle[1627].
The Hymenoptera usually exhibit a very ample dorsolum, mostly subtriangular with the vertex rounded or truncated, and pointing in some (Vespa L.
It is probable that the subtriangular figure below is intended for the head, as the two circles with central dots are good representations of eyes.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "subtriangular" in a variety of sentences. We hope that you will now be able to make sentences using this word.