WHAT THE EVIDENCE SAYS
Investigators described approximately 12-micrometer multilamellar 'dracosphera' compartments in the digestive gland of Chaetoderma shenloong with sulfur-oxidizing bacterial symbionts, supported by molecular and anatomical analyses.
WHY IT MATTERS / OUR READ
Unknown seabed life can host functions unanticipated by conventional ecosystem catalogs.
CAVEATS / UNCERTAINTY
A specialized adaptation is not yet a broadly proven evolutionary pattern or a demonstrated ecosystem-level function.
SOURCE
Nature Communications — Li et al. (30 Oct 2026)
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