<i>Conotheca subcurvata</i>[38].

<p>A, USTL2782/11; Lateral view showing incompletely preserved guts and external coating of withdrawn operculum. B, USTL2782/3; Lateral view of specimen with different microbial pseudomorphs in the internal and external compartments and overgrowth. C-D, USTL2782/2; C, Lateral view, squared area magnified in D; D, Detail of the preservation of the digestive tract and filamentary junction with mould (arrow), the filaments seem to cover or invade the pre-existing mould. E-F, USTL2788/7; E, Lateral view, squared area magnified in F; F. Detail of Large coccoids covering the intestine cast and preserved withdrawn operculum. G, USTL2788/8; Lateral view of conch, exogenous material (tube) in the exterior compartment arrowed. H, USTL2784/2; Detail of exogenous material (halkierid) within the conch. I-K, USTL2781/6; I, Lateral view, squared area magnified in K; J, Possible fungal hyphae (arrowed) in connection with intestine, in this case communication with exterior compartment; K, Detail of possible hyphae. L-M, USTL2789/2; L, Lateral view, squared area magnified in M; M, Intestine phosphatic meshwork denser than exterior compartment. N, USTL2789/3; Detail of relations between exterior and interior compartments and operculum. O-P, USTL2781/9; O, Lateral view, squared area magnified in P; P, Detail of diagenetic overgrowth of the intestine phosphatic cast. Scale bars are: P, 50 µm; F, H, K, N, 100 µm; D, J, M, 200 µm; A-C, E, G, I, L, O, 500 µm.