This website uses cookies to ensure you get the best experience. Learn more

pinnulate

pinnulate Sentence Examples

  • are either incorporated in, or pressed below, the tegmen by interambulacrals; all thecal plates united by suture, somewhat loose in the earliest forms, but speedily becoming close, and producing a rigid theca; mouth and tegminal food-grooves closed; arms pinnulate.

    0
    0
  • All the Palaeozoic representatives have non-pinnulate arms, while the Mesozoic and later forms have them pinnulate.

    0
    0
Browse other sentences examples →