from The Century Dictionary.
- Pertaining to, lying between, or separating a branchial and a cardiac region or division: applied to a groove on each side of the middle line of the thoracic portion of the carapace of a crustacean, separating the cardiac division of the carapace from the branchial division of the carapace from the branchial division.
Sorry, no etymologies found.
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He replaced his specimen and tied the sack, convinced that it would be useless to explain to this person that fossils like this were not found by the wagon-load; that perhaps in the entire world there was not one in which the branchiocardiac grooves were so clearly defined, in which the emostigite and the ambulatory legs were so perfectly preserved.
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