Rachitome
- Noun
A dissecting instrument for opening the spinal canal.
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Rachitomi
The Rachitomi were a group of extinct Palaeozoic labyrinthodont amphibians, according to an earlier classification system. They are defined by the structure of the vertebrae, having large semi-circular intercentra below the notochord and smaller paired though prominent pleurocentra on each side above and behind, forming anchoring points for the ribs.
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Raphitoma bernardoi
Raphitoma bernardoi is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma divae
Raphitoma divae is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma linearis
Raphitoma linearis is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma zelotypa
Raphitoma zelotypa is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma curta
Raphitoma curta is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma pseudohystrix
Raphitoma pseudohystrix is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma arnoldi
Raphitoma arnoldi is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma pruinosa
Raphitoma pruinosa is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
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Raphitoma elegans
Raphitoma elegans is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.