See
here for index to numbers. Ascandra pinus (Haeckel) =
Leucosolenia complicata (Montagu, 1818), habitus Ascandra sertularia (Haeckel) =
Leucosolenia sertularia (Haeckel, 1872), habitus Ascilla gracilis (Haeckel) =
Guancha gracilis (Haeckel, 1872), habitus Syculmis synapta (Haeckel) =
Amphoriscus synapta (Schmidt in Haeckel, 1872), rooting spicule (genus
Amphoriscus) Syculmis synapta (Haeckel) =
Amphoriscus synapta (Schmidt in Haeckel, 1872), rooting spicule (genus
Amphoriscus) Sycurus primitivus (Haeckel) =
Sycettaga primitiva (Haeckel, 1872), habitus (cut open) (genus
Sycettaga) Sycodendron ampulla (Haeckel) =
Sycon ampulla (Haeckel, 1870), habitus (genus
Sycon) Sycarium elegans (Haeckel) =
Sycon elegans (Bowerbank, 1845), habitus (cut open) (genus
Sycon) Sycortis quadrangulata (Haeckel) =
Sycon quadrangulatum (Schmidt, 1868), lengthwise section of body wall (genus
Sycon) Sycandra compressa (Haeckel) =
Grantia compressa (Fabricius, 1780), skeleton of wall tube Sycarium elegans (Haeckel) =
Sycon elegans (Bowerbank, 1845), lengthwise section of body wall (genus
Sycon) Sycaltis perforata (Haeckel) =
Amphoriscus perforatus (Haeckel, 1872), lengthwise section of body wall (genus
Amphoriscus) Sycetta strobilus (Haeckel) =
Grantia strobilus (Haeckel, 1872), habitus (genus
Grantia)