lunulate

adj.

小半月形的；

Late Oligocene–Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families...
THE EUPHORBIA LUNULATE BGE EXTRACTANT AND PRODUCTION METHOD AND USE THEREOF
An experimental analysis of lunule function in the sand dollar Mellita quinquiesperforata
Apparatus for the extrusion, expansion and/or thermal treatment of substances and substance mixtures
A Hydrodynamic Interpretation of Sand Dollar Morphology
PHYLOGENETIC SYSTEMATICS OF TERTIARY MONOPHORASTERID SAND DOLLARS (CLYPEASTEROIDA: ECHINOIDEA) FROM SOUTH AMERICA
Means for controlling clearance in an intershaft bearing journal of a multi-spool gas turbine
Phylogeny, evolution and classification of the giant water scavenger beetles (Coleoptera: Hydrophilidae: Hydrophilini: Hydrophilina).
Electron microscopic and preparative methods for the analysis of isopod cuticle
Haplomitrium hookeri from Western North America