
thumb|Hemithiris psittacea, a living rhynchonellide thumb|Ladogia sp., a rhynchonellid brachiopod from the Devonian of western [[Russia (side view).]]
ORDER
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thumb|Hemithiris psittacea, a living rhynchonellide thumb|Ladogia sp., a rhynchonellid brachiopod from the Devonian of western [[Russia (side view).]]
The taxonomic order Rhynchonellida is one of the two main groups of living articulate brachiopods, the other being the order Terebratulida. They are recognized by their strongly ribbed wedge-shaped or nut-like shells, and the very short hinge line.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).