plural of goniatitid

Relatively large in scale, size, extent, number (i.e. having many parts or members) or duration (i.e. relatively long); very big. / Title referring to an important leader.

plural of crestule

(astronomy, geology) A long, narrow, steep-sided depression on a planet (often other than Earth), a moon, or another body in the Solar System. / (astronomy, obsolete, rare) An aurora.