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Gwylan: Ophlitaspongia seriata. Sbwng Plorod. Pockmark Sponge,
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Gwylan: Grantia compressa. Purse Sponge.
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Gwylan: Sbwng (Haliclona oculata?)
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Gwylan: Halichondria panicea - sbwng bara
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Gwylan: sbwng
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Gwylan: sbwng bara
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Gwylan: sbwng
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Gwylan: sbwng (Hymeniacidon sp.)
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Gwylan: sbwng
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Gwylan: sbwng bara - Halichondria panicea
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Gwylan: Porifera indet. Sbwng. Sponge.
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Gwylan: Sbwng, Trefor
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Gwylan: Cragen agor, goriad môr - Turritella communis
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Gwylan: Cliona celata. Sbwng Tyllu. Boring sponge.
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Gwylan: Cliona celata. Sbwng Tyllu. Boring sponge.
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Gwylan: Cliona celata. Sbwng Tyllu. Boring sponge.
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Gwylan: Hymeniacidon perlevis. Sbwng. Sponge.
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Gwylan: sponge
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Gwylan: Halichondria panicea. Sbwng bara. Breadcrumb sponge.
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Gwylan: Sbwng plorod - Ophlitaspongia papilla
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Gwylan: Haliclona oculata. Maneg y fôr-forwyn. Mermaid's glove.
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Gwylan: Haliclona oculata. Maneg y fôr-forwyn. Mermaid's glove.
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Gwylan: Haliclona oculata. Sbwng. Sponge.
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Gwylan: Tethya aurantium. Sbwng Oren fôr. Orange ball sponge.
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Gwylan: Tethya aurantium. Sbwng Oren fôr. Orange ball sponge.
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Gwylan: A sponge indet.
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Gwylan: A sponge indet.
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Gwylan: Cliona celata?
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Gwylan: Sponge indet? Alcyonium?
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Gwylan: Sponge indet? Or Alcyonium?