libristomate

形容词 adj.

英文释义

形容词 adj.
  1. Of a trilobite, of the subclass Libristoma, and having a detached hypostome. not-comparable
    — Thus, Fortey later began grouping natant trilobites and their offspring as libristomate to designate the non-attached, or formerly detached, nature of their hypostomes.
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