| 单词 | heelsplitter |
| 释义 | > as lemmasheelsplitter heelsplitter n. U.S. any of various North American freshwater mussels of the genera Lasmigona and Potamilus (family Unionidae), the shells of which have a sharp edge; frequently with distinguishing word. ΚΠ 1898 Bull. U.S. Fish Comm. 1897 17 407 Tennessee furnishes a host of names [for mussels], black (24), white (13), yellow (44),..heel-splitter (3). 1937 Ecology 18 383 The pink heel splitter, Proptera alata megaptera (Raf.), and the white heel splitter, Lasmigona complanata (Barnes), occur in greatest abundance on pure sand, or sand mixed with mud. 1995 K. Terwilliger et al. Guide Endangered & Threatened Species Virginia 76 The Tennessee heelsplitter, a relatively small mussel with a length of about 2½ inches, is characterized by a smooth, elongate, rhomboid shell. 2011 Louisiana Weekly 14 Nov. Several dozen mussel species, including a threatened species called the inflated heelsplitter, lived in the river before the spill. < as lemmas |
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