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32 results for “Amathia”
FIGURES 1–3. Amathia gracei n in The amathiiform Ctenostomata (phylum Bryozoa) of New Zealand — including four new species, two of them of probable alien origin
FIGURES 1–3. Amathia gracei n. sp. 1, holotype colony from ENE of East Cape, North Island; 2, part of colony showing zigzagged clusters of autozooids; 3, branch bifurcation with a rhizoid pore arrowed.
FIGURES 4–8. Amathia similis n in The amathiiform Ctenostomata (phylum Bryozoa) of New Zealand — including four new species, two of them of probable alien origin
FIGURES 4–8. Amathia similis n. sp. 4, holotype colony from Opua marina, Bay of Islands, North Islands; 5, close-up of branches with tightly spiralled clusters of autozooids; 6, autozooid clusters on stolons; 7, branch bifurcation; 8, autozooid cluster, with position of stolon septum arrowed.
FIGURES 19–23. Amathia zealandica n in The amathiiform Ctenostomata (phylum Bryozoa) of New Zealand — including four new species, two of them of probable alien origin
FIGURES 19–23. Amathia zealandica n. sp. 19, colony from NIWA Stn TAN1108/213, E of East Cape, North Island; 20, close-up of same showing straight clusters of autozoids on the stolon segments; 21, same, branch bifurcations and autozooidal clusters. 22, 23, Amathia bicornis (Tenison-Woods, 1877) from Makara Beach, west coast, Wellington region, North Island, showing autozooidal spirals with cuticularisation of autozooids and distal 'horns'.
FIGURE 9 in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 9. Maximum-likelihood trees for Amathia species based on 16S, COI, and 16S + COI datasets. The 16S + COI tree is indicated as a bootstrap consensus tree (>50%). Two cyclostome species (Idmidronea atlantica and Annectocyma tubulosa) are included as outgroup taxa for 16S tree, single cyclostome (I. atlantica) and single ctenostome (Flustrellidra hispida) are included as outgroup taxa for COI tree, and single cyclostome I. atlantica is included as outgroup taxa for 16S + COI tree. The scale bars indicate branch length in substitutions per sites. Nodal support values are presented as the bootstrap value; only>50% are shown.
FIGURE 6. Amathia reptopinnata n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 6. Amathia reptopinnata n. sp. A. Colonies on Sargassum from Oki Island, Sea of Japan. B. Colony from Lake Saroma, northern Hokkaido. C. Colony from Matsushima Bay, Pacific coast of northeastern Honshu.
FIGURE 2. Amathia acervata Lamouroux, 1824 in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 2. Amathia acervata Lamouroux, 1824, holotype, Herbarium Sheet 86, MNHN, Paris. A. Entire type specimen. B. Original label in Lamouroux's handwriting. C. Reconstituted fragment of holotype. D. Part of C, direct illumination. E, F. Part of C, in transmitted light, E showing distinct sinuosity of stolon within the autozooid cluster (same scale).
FIGURE 8. Amathia reptopinnata n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 8. Amathia reptopinnata n. sp. A. Zooid clusters in colony from Lake Saroma. B. Zooid cluster in colony from Oki Island. C. Branch of colony from Matsushima Bay. D. Spiralled zooid cluster in colony from Matsushima Bay.
FIGURE 7. Amathia reptopinnata n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 7. Amathia reptopinnata n. sp. from Lake Saroma. A. Branch connection in a colony. B. Apparent fusion of two branches (or a rare, modified form of tetrachotomy). C. Adherent part of colony. D. Adherent stolon with pinnately arranged groups of zooids. E. Stolon with fimbriate attachments. F. Close-up of pinnately arranged prostrate zooids along a creeping stolon.
FIGURE 5. Amathia fimbria n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 5. Amathia fimbria n. sp. A. Zooid clusters and trichotomy (NSMT Bry R375). B. Early stage of trichotomy above the zooid cluster (NSMT Bry R375). C. Continuous trichotomy (NSMT Bry R55).
FIGURE 3. Amathia brevisilva n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 3. Amathia brevisilva n. sp. A, C, D. Specimen collected from Wakayama, in the collection of the Seto Marine Biological Station. B, D, F. Specimen collected from Manazuru, Sagami Bay. A. Entire specimen (SMBL-30). B. Entire specimen on pebble surface from Manazuru (NSMT 1209). C. Zooid clusters on dichotomous branches of colony from Wakayama (SMBL-30). D. Zooid clusters on dichotomous branches of colony from Wakayama (NSMT 1212). E. Zooid cluster of colony from Wakayama (SMBL-30). F. Zooid cluster consists of autozooids with yellow pigments (NSMT 1210).
FIGURE 4. Amathia fimbria n in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 4. Amathia fimbria n. sp. A. Colony of holotype on polychaete tube (NSMT Bry R55). B. Colony of paratype on hydroid colony (NSMT Bry R375). C. Zooid clusters on trichotomous branches (NSMT Bry R375). D. Zooid cluster (NSMT Bry R375). E. Adherent stolon and autozooids (NSMT Bry R381).
FIGURE 1 in New seriated Amathia species in Japan, with a redescription of A. acervata Lamouroux, 1824 (Bryozoa: Ctenostomata)
FIGURE 1. Map showing localities of seriated Amathia specimens collected in Japanese waters.
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