| Clathrostoma Penard, 1922. Several species. |
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| Contents | Classes | Subclasses | Orders | Suborders | Families |
Family CLATHROSTOMATIDAE Kahl, 1926
| Syn. | Clathrostomidae |
Quite similar to the Frontoniidae (above); cytopharyngeal "basket" of nematodestnata particularly striking.
| Clathrostoma Penard, 1922. Several species. |
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