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Fig. 4 in A new species of Heterospio (Annelida, Longosomatidae) from the Indian Ocean
Fig. 4. Heterospio indica sp. nov., paratype (MNCN 16.01/17000), SEM micrographs. A. Anterior end, dorsolateral view (scale bar = 100 Mm). B. CH2–CH5, dorsal view (scale bar = 100 Mm). C. CH5–CH9, dorsal view (scale bar = 100 Mm). D. CH8–CH10, dorsal view (scale bar = 15 Mm). Abbreviations: bp = branchiophore; bs = branchiostyle; CH = chaetiger; nuo = nuchal organ; ps = palp scar; SG = segment.
Fig. 3 in A new species of Heterospio (Annelida, Longosomatidae) from the Indian Ocean
Fig. 3. Heterospio indica sp. nov., paratype (MNCN 16.01/16998). A. Posterior end (scale bar = 200 Mm). B. Detail of bulbous region of posterior end (scale bar = 100 Mm). Abbreviations: ah = acicular hook; pyg = pygidium; tas = terminal achaetigerous segment.
Fig. 1 in A new species of Heterospio (Annelida, Longosomatidae) from the Indian Ocean
Fig. 1. Distribution of records of Heterospio around the Indian Ocean: Heterospio indica sp. nov. (present study) (1–4), H. longissima Ehlers, 1874 (data from Hartman 1974) (5–6) and H. longissima Ehlers, 1874 (data from Rosenfeldt 1989) (7).
Fig. 14. Cistenides hyperborea Malmgren, 1866 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 14. Cistenides hyperborea Malmgren, 1866. SEM micrographs from two medium-sized specimens (BIOICE sample 2060, IINH-40471). A. Anterior end, ventral view. B–C. Unciniger 2, dorsal and ventral uncini, respectively. D–E. Unciniger 7, dorsal and ventral uncini, respectively. F. Scaphal hooks and scaphal basis ciliary patches.
Fig. 10. Cistenides hyperborea Malmgren, 1866 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 10. Cistenides hyperborea Malmgren, 1866. SEM micrographs from three large specimens (BIOICE sample 3252, IINH-40477). A. Anterior end, left ventrolateral view. B. Notochaetal scale covering, detail. C–D. Unciniger 1, dorsal and ventral uncini, respectively. E–F. Unciniger 12, dorsal and ventral uncini, respectively.
Fig. 2 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 2. Temperature vs depth data of the BIOICE samples where specimens of Pectinariidae were found. A. Amphictene auricoma (O.F. Müller, 1776). B. Lagis koreni Malmgren, 1866. C. Cistenides granulata (Linnaeus, 1767). D. Cistenides hyperborea Malmgren, 1866. Specimens studied under SEM are indicated with black arrows and sample numbers.
Fig. 12. Cistenides hyperborea Malmgren, 1866. SEM micrographs from a in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 12. Cistenides hyperborea Malmgren, 1866. SEM micrographs from a medium-sized specimen (BIOICE sample 2660, IINH-40474). A. Anterior end, right lateral view (framed: paleae distal end, detail). B–C. Unciniger 1, dorsal and ventral uncini, respectively. D–E. Unciniger 9, dorsal and ventral uncini, respectively. F. Scaphal hooks.
Fig. 8 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 8. Cistenides granulata (Linnaeus, 1767). SEM micrographs from two large specimens (BIOICE sample 3249, IINH-40467). A. Anterior end, right lateral view. B–C. Unciniger 1, dorsal and ventral uncini, respectively. D. Unciniger 6, ventral uncini. E. Unciniger 12, dorsal uncini. F. Scaphe, posterodorsal view (framed: scaphal hooks, detail).
Fig. 15. Cistenides hyperborea Malmgren, 1866 in Taxonomy and distribution of Pectinariidae (Annelida) from Iceland with a comparative analysis of uncinal morphology
Fig. 15. Cistenides hyperborea Malmgren, 1866. SEM micrographs from two medium-sized specimens (BIOICE sample 2060, IINH-40471). A. Mid-body parapodium, notochaetae. B. Notochaeta, serrated distal end, detail. C. Scaphe, dorso-lateral view. D. Cuticular structures (framed in C). E. Anal lobe and anal papilla. F. Ciliary field dorsal to anal lobe (framed in E).
Fig. 2 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 2. Mauretanaspis longichaeta gen. et spec. nov., holotype (MNHN-IA-TYPE 2005). A. Dorsal view. B. Lateral view, right side. C. Ventral view showing length of posteriormost lateral chaetae. Abbreviations: lch = lateral chaetae; pro = prostomium. Scale bars: 1 mm.
Fig. 1 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 1. Mauretanaspis longichaeta gen. et spec. nov., holotype (MNHN-IA-TYPE 2005), ventral view. Abbreviation: pch = posterior shield chaetae; * = body damaged with oesophagus protruding; numbers 1–13 = anterior and pre-shield segments; arrowheads = gonopodial lobes; arrows = body papillae. Scale bar: 1 mm.
Fig. 4 in A new genus and species of Sternaspidae (Annelida: Polychaeta) from the deep eastern Atlantic
Fig. 4. Mauretanaspis longichaeta gen. et spec. nov., paratype (SMF 27777). A. Entire specimen, ventral view. B. Pre-shield and abdominal region, ventrolateral view. C. Abdominal region, showing arrangement of lateral and posterior shield chaetae, ventral view. Arrowheads = gonopodial lobes; arrow = body papillae; * = body damage on dorsal side. Scale bars: 1 mm.
Figure 8 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 8. Fridericia bulbosa (Rosa, 1887) sensu stricto. (A) Anterior body segments (dorsal view); (B) lateral view of segments I–V. (C and D) Clitellum in dorsal (C) and ventrolateral views (D); the elliptical contour in (D) shows the midventral granular field behind the male pores; (E) chylus cells in segment XIV; (F) shallow dorsolateral view of segments IV–V, showing the conspicuous epidermal gland cells; (G) midventral close-up of clitellum revealing the I-shaped male slits and the granular field behind them (contour); (H) dorsal view of segments IV–VI, showing the bent tail of a peptonephridium, the spermathecae and the pharyngeal glands. I, coelomocytes. (A) to (D) from permanent whole-mounted specimens, (E) to (I) from live specimens. Anterior to the right, except in (G) and (H) where anterior is to the top.
Figure 1 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 1. Achaeta borbonica sp. nov. (A) Anterior body half in a dorsal view. Note the intestinal loop in IX; (B) lateral view of segments IV–V, showing the right spermatheca; asterisks indicate the oesophageal dorsal ridge; (C) ventral view of segment V, revealing the closely spaced spermathecal pores; (D) sperm funnel in segment X; (E) lateral view of nephridium in segment VIII; (F) coelomic cavity of caudal segments (lateral view), showing the coarse granulation of the chloragogenous cells and the small size of coelomocytes as compared with the flask-shaped glands. (G and H) Lateral views of clitellum, in vivo (G) and after fixation (H). All except (H) from live specimens. In (A), (D) and (E) anterior to the top; in all others, anterior to the right.
Figure 3 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 3. Achaeta giustii sp. nov. (A) Cephalic region (lateral view); (B) dorsolateral view of segments I–VIII, showing the well-developed pharyngeal glands; (C) dorsal view of clitellum. Note the granular cells bordering the middorsal interruption (dg); (D) shallow lateral view of body wall (segment IX), revealing the lozenge pattern of the longitudinal muscle fibres; (E) lateral view of clitellum, showing the reticulate pattern of the gland cells; (F) lateral view of same clitellum in a deeper optical section, documenting its midventral continuity and middorsal gap; (G) ectal portion of the spermatheca; (H) sperm funnel. All from permanent wholemounted specimens, anterior to the left.
Figure 7 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 7. Fridericia meridiana sp. nov. (A) Anterior body segments (dorsal view). The white arrow points to the small spur of the last pharyngeal glands into VII; (B) clitellum (dorsal view); (C) male pores and midventral interruption of clitellum between and before them; (D) lateral view of clitellum and male opening after fixation; (E) coelomic cavity of segments XI–XII, showing the minute sperm funnel; (F) dorsolateral view of segments IV–V, showing first two pairs of pharyngeal glands and the right spermatheca; (G) coelomocytes; (H) peptonephridium. (A) and (D) from permanent whole-mounted specimens; all others from live specimens. In all, anterior to the right.
Figure 6 in First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family
Figure 6. Schematic drawings (not to scale) following Laubier et al. (1972–73), showing lateral (above) and dorsal (below) views of four species of Heterospio. Heterospio mediterranea Laubier, Picard and Ramos, 1972–73, Heterospio reducta Laubier, Picard and Ramos, 1972–73, Heterospio peruana Borowski, 1994 and Heterospio angolana Bochert and Zettler, 2009. Arrows mark position of first elongated chaetiger: black, after original description; grey, new interpretation (see text for explanations). Chaetigers numbered below lateral view of each species.
Figure 1 in First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family
Figure 1. Type localities and collection localities of described and undescribed species of Heterospio, respectively, arranged in ascending order by date of description: (1) Ehlers (1874); (2) Hartman (1944); (3) Knox (1960); (4) Hartman (1965); (5) Wu and Chen (1966); (6) and (7) Laubier et al. (1972–73); (8) Uebelacker (1984); (9) and (10) Borowski (1994); (11) Bochert and Zettler (2009). The BIOICE sampling area is indicated. (*) probably represents a different species.
Figure 4. Heterospio longissima Ehlers, 1874 in First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family
Figure 4. Heterospio longissima Ehlers, 1874 sensu Hartman (1965): Specimens from BIOICE samples 2414 and 2474. (A, B) capillary chaetae (cc) and subuluncini (su) of CH13 and CH14; (C) capillary chaetae of CH13; (D–G) detail of distal end of subuluncini of CH11 to CH14; (H) detail of tip of subuluncini without distal appendage from CH14. Scale bars: A, B, 20 µm; C–G, 3 µm; H, 5 µm.
Figure 3. Heterospio longissima Ehlers, 1874 in First record of Longosomatidae (Annelida: Polychaeta) from Iceland with a worldwide review of diagnostic characters of the family
Figure 3. Heterospio longissima Ehlers, 1874 sensu Hartman (1965). Specimen from BIOICE sample 2414. (A–D) Chaetigers 11 to 14. Scale bars: A, 100 µm; B, 150 µm; C, 200 µm; D, 100 µm.
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