Figure 8 | Scientific Reports

Figure 8

From: Influence of sipunculan (peanut worm) activity on orifice formation in scleractinian Heterocyathus for adaptation to soft substrates

Figure 8The alternative text for this image may have been generated using AI.

Conjunction part of the aperture of the gastropod shell and the orifice in Heterocyathus sp. B. (A) Coral skeletal observed on the inner surface of the body whorl of the gastropod shell. (B) Growth lines on the inner surface of the early orifice growth part. (C–F) Boundaries between gastropod shell and coral skeleton. Coral skeletal layer substrates comprising fibrous crystals, elongated and perpendicular to the shell surface at the interface with gastropod shell substrates. (C,D) Terminal part of the entry of the coral skeleton into the gastropod body whorl. (E,F) Longitudinal section of the boundary (white arrow) between coral skeleton and gastropod shell.

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