umbones

n.

盾中心的浮雕，壳嘴，鼓膜凸(umbo的复数)；

Theoretical Morphology of Hinge and Shell form in Bivalvia: Geometric Constraints Derived from Space Conflict between Umbones
Issues in the identification of umbones in California mussel shell assemblages
EXISTENCE AND SIGNIFICANCE OF MICROUMBONES IN KARST BASIN:SAMPLE FROM ORDOVICIAN KARSTIC PALEOGEOMORPHY IN ORDOS BASIN
EXISTENCE AND SIGNIFICANCE OF MICROUMBONES IN KARST BASIN: SAMPLE FROM ORDOVICIAN KARSTIC PALEOGEOMORPHY IN ORDOS BASIN岩溶盆地中微...
STUDY ON THE NAVICULARE AND THE TIBIALE EXTERNUM BONES OF HUMAN FOOT
STUDY ON THE NAVICULARE AND THE TIBIALE EXTERNUM BONES OF HUMAN FOOT:PART (1) OBLIQUE PROJECTION TECHNIQUE AND CLASSIFICATION OF THE...
Larval shell development of four species of New Zealand mussels: (Bivalvia, Mytilacea)
Silurian Pentameroid Brachiopods Preserved in Position of Growth
Early Miocene bivalves from the Cape Melville Formation, King George Island, West Antarctica
A new species of Mysella Angas, 1877 (Bivalvia: Galeommatoidea) from Admiralty Bay, King George Island, South Shetlands, Antarctica...