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Category: Mollusca

Mytilus californianus

February 4, 2022 Dan Nelson 5 Comments

During a recent spate of good weather, Pam and I took a trip to the Oregon coast, Arch Cape to…

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Posted in: Animals, Bivalvia, Mollusca, Mytilida, Mytilidae, Mytilus, Plants, Species Profiles Filed under: California Mussels, Mytilus californianus, Ribbed Mussels

Prophysaon foliolatum (Yellow-bordered Taildropper)

January 13, 2022 Dan Nelson 2 Comments

I’ve been putting off doing a profile on a slug until I had one that I could positively identify which…

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Posted in: Animals, Arionidae, Gastropoda, Mollusca, Plants, Prophysaon, Species Profiles, Stylommatophora Filed under: Prophysaon foliolatum, Yellow-bordered Taildropper

Vespericola columbianus (Northwest Hesperian)

October 15, 2021 Dan Nelson Leave a comment

As if snail identification wasn’t difficult enough, the taxonomy of Vespericola (family Polygyridae) is somewhat up in the air, with…

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Posted in: Animals, Gastropoda, Mollusca, Polygyridae, Species Profiles, Stylommatophora, Vespericola Filed under: Northwest Hesperian, Vespericola columbianus

Anodonta nuttalliana/californiensis (Winged/California Floater)

September 7, 2021 Dan Nelson 1 Comment

I am somewhat embarrassed to admit that I didn’t know we even had multiple genera of freshwater mussels in our…

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Posted in: Animals, Anodonta, Bivalvia, Mollusca, Plants, Species Profiles, Unionida, Unionidae Filed under: Anodonta californiensis, Anodonta nuttalliana, California Floater, Winged Floater

Cepaea nemoralis (Grove Snail)

August 29, 2021 Dan Nelson 6 Comments

I believe these beautiful snails in the family Helicidae are Cepaea nemoralis (also known as Brown-lipped Snails and Banded Grove…

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Posted in: Animals, Cepaea, Gastropoda, Helicidae, Mollusca, Species Profiles, Stylommatophora Filed under: Cepaea nemoralis, Grove Snail

Ancotrema sportella (Beaded Lancetooth Snail)

December 5, 2020 Dan Nelson 2 Comments

This is the eighth resident of The Cliff that I have posted about. I haven’t been there since Thanksgiving, having…

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Posted in: Ancotrema, Animals, Eupulmonata, Gastropoda, Haplotrematidae, Mollusca, Species Profiles Filed under: Ancotrema sportella, Beaded Lancetooth

Haplotrema vancouverense (Robust Lancetooth Snail)

November 28, 2020 Dan Nelson 5 Comments

Today we are going to talk about another inhabitant of the cliffside ecosystem, the carnivorous snail Haplotrema vancouverense. All of…

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Posted in: Animals, Eupulmonata, Gastropoda, Haplotrema, Haplotrematidae, Mollusca, Species Profiles Filed under: Haplotrema vancouverense, Robust Lancetooth

Bellamya chinensis (Chinese Mystery Snails)

October 22, 2020 Dan Nelson 2 Comments

There is much taxonomic confusion and discussion about this species of aquatic snail, and the closely related Bellamya japonica, with…

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Posted in: Animals, Architaenioglossa, Bellamya, Gastropoda, Mollusca, Species Profiles, Viviparidae Filed under: Bellamya chinensis, Chinese Mystery Snail

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