Tellina tenuis, the thin tellin, a marine bivalve mollusc species found off the coasts of north west Europe and in the Mediterranean Sea
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Typhlops tenuis, a harmless blind snake species found in Mexico, Guatemala and Honduras
Typhlops tenuis | Tenuis consonant | Tellina tenuis | Lepthyphantes tenuis | Cystopteris tenuis | Cattleya tenuis |
Cystopteris tenuis, the Mackay's bladder fern or Mackay's fragile fern, a fern species found in the northeastern United States
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Cattleya tenuis, the slender-stemmed cattleya, an orchid species