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8 results for “Ctenodrilus”
FIGURE 8 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 8. Maximum likelihood phylogenetic tree based on 16S and CO1 sequences of Ctenodrilus and further Cirratulidae. Bootstrap values are given at branches. Ctenodrilus pacificus sp. nov. is highlighted in red, C. serratus in blue.
FIGURE 7 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 7. Cultures of Ctenodrilus pacificus sp. nov. showing number of individuals produced by five cultures (cultures 1–3 showing very similar patterns therefore only one is shown) in 37 days.
FIGURE 6 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 6. Asexual reproduction in Ctenodrilus pacificus sp. nov. A, complete live specimens, upper individual showing well demarked segments, bottom individual showing development of prostomia and inset showing a stolon with prostomium and pygidium; B, a recently separated individual with stomach not connected anteriorly or posteriorly; C, completely developed individual with mouth and newly formed body segments. (abbreviations: mo, mouth; pr, prostomium; py, pygidium).
FIGURE 5 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 5. Average number, maximum number per fascicle and distribution of multidentate hooks along the body of Ctenodrilus pacificus sp. nov. (A and B, N=20 individuals) and Ctenodrilus serratus from the North Atlantic (C and D, N=11 ind.). A, notopodia of Ctenodrilus pacificus sp. nov.; B, neuropodia of Ctenodrilus pacificus sp. nov.; C, notopodia of Ctenodrilus serratus; D, neuropodia of Ctenodrilus serratus.
FIGURE 4 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 4. SEM of Ctenodrilus pacificus sp. nov. A, complete specimen in lateral view; B, anterior end in lateral view; C, detail of nuchal organ; D, mid-body segment showing parapodial region; E, pygidium; F and G, multidentate hooks. (abbreviations: ch. 1, chaetiger 1; ne, neuropodium; no, notopodium; nuO, nuchal organ; per, peristomium; pr, prostomium; vc, ventral cilia).
FIGURE 3 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 3. Ctenodrilus pacificus sp. nov. A, complete live specimen showing body pigmentation and digestive system; B, anterior end in lateral view showing everted pharynx and circulatory system; C, posterior end in lateral view showing pygidium with everted lobe; D, parapodium from mid-body region and inset showing multidentate hooks; E, posterior end segments showing small nucleated cells of unknown function. (abbreviations: dv, dorsal vessel; hb, heart body; int, intestine; ne, neuropodium; no, notopodium; nuO, nuchal organ; ph, pharynx; st, stomach; sv, segmental vessel; vv, ventral vessel).
FIGURE 2 in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 2. Ctenodrilus pacificus sp. nov. A, line drawing of a complete live specimen in lateral view; B, complete specimen in lateral-ventral view showing distribution of ventral cilia; C, multidentate hooks of a single individual. (abbreviations: es, esophagus; hb, heart body; int, intestine; mo, mouth; nep, nephridium; nuO, nuchal organ; per, peristomium; ph, pharynx; pr, prostomium; py, pygidium; st, stomach; vc, ventral cilia).
FIGURE 1. Ctenodrilus serratus. A and B in Taxonomic remarks on the genus Ctenodrilus (Annelida: Cirratulidae) including description of a new species from the Pacific Ocean
FIGURE 1. Ctenodrilus serratus. A and B, complete specimens in lateral view from Massachusetts, USA (USNM 51480); C, complete specimen in lateral view showing multidentate hooks from Bahamas (USNM 1044811); D and E, complete specimens in dorso-lateral view from Belize (USNM 321390), D, showing five buds. (abbreviations: es, esophagus; hb, heart body; int, intestine; nep, nephridium; ph, pharynx; st, stomach).
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