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Fig. 1 | BMC Biology

Fig. 1

From: Cambrian suspension-feeding tubicolous hemichordates

Fig. 1

Schematic anatomy of Oesia disjuncta. Co: collar, Cr: circum-collar ridge, Dg: digestive groove, Pr: proboscis, Hks: heart-kidney-stomochord complex, Gb: gill bars, Gp: gill pores, Mo: mouth, Po: pores, Ps: posterior structure, Tr: trunk, Tu: tube. Dashed lines indicate transverse cross sections

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