Find research datasets worth reusing

FIG. 8 in Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)

FIG. 8. — Monitilora Iredale, 1930, Palaeogene fossils (A-D) and Monitilora sepes (Barnard, 1964) Inhaca, Mozambique (E-Q): A, B, Monitilora duponti (Cossmann, 1908) Paleocene, Danian, Calcaire de Mons, Mons Puits Coppée, Belgium (RBINS I.G. 6544), L 17.5 mm; C, D, Monitilora obliqua baudoni (Deshayes, 1857) Eocene, Lutetian, Amblainville, Oise, France, Chavan collection (RBINS I.G. 21.735), L 18 mm; E, F, Monililora sepes exterior and interior of left valve, Inhaca stn MD11, L 15 mm; G, H, exterior and interior of right valve, Inhaca stn MD15, L 12.1 mm; I, J, exterior and interior of right valve, Inhaca stn MD15, L 10.2 mm; K, L, exterior and interior of right valve, Inhaca stn MD15, L 10.1 mm; M, interior of left valve, Inhaca stn MD15, L 8.4 mm; N, O, detail of hinge teeth of left and right valves of H, I; P, detail of external sculpture of K; Q, protoconch of H. Scale bars: N, O, 1.0 mm; P, 500 µm; Q, 100 µm.

FIG. 4 in Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)

FIG. 4. — Barbierella louisensis (Viader, 1951): A-D, Lucina (Bellucina) louisensis Viader, 1951 syntypes (AMS C.305545), off Port Louis, Mauritius, L (A, B) 6.2 mm, (C) 5.5 mm, H (D) 5.4 mm. Images by A. C. Miller, Copyright: Australian Museum; E-G, Barbierella scitula Oliver & Abou-Zeid, 1986, holotype (NMW.Z.1982.68.1) exterior of right and interior of right and left valves (gold coated for SEM), off Ras Budran, Gulf of Suez, Red Sea, 30 m, L 8.2 mm, Images copyright NMW; H-K, Barbierella louisensis, Banc de la Zélée, Mozambique Channel, BENTHEDI stn 110, 24 m; H, I, exterior and interior of left valve, L 7.8 mm; J, K, interior and exterior of right valve, L 7.8 mm; L-W, Barbierella louisensis Inhaca, Mozambique, INHACA stn MD13, 50-53 m (MNHN); L, M, interior and exterior of right valve, L 6.0 mm; N, O, exterior and interior of left valve, L 5.9 mm; P, Q, interior and exterior of right valve, L 5.9 mm; R, exterior of right valve coated SEM im- age, L 6.5 mm; S, T, detail of hinge area of right and left valves; U, detail of lunule and dentition of right valve; V, detail of sculpture of R,; W, protoconch. Scale bars, S, T, 1 mm; U, V, 500 µm; W, 100 µm.

FIG. 6. — A-H, Retrolucina voorhoevei n in Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)

FIG. 6. — A-H, Retrolucina voorhoevei n. comb. (Deshayes, 1857), Recent; and I-N, R. defrancei (Deshayes, 1857), Eocene; A-C, exterior of right and interiors of right and left valves, Mozambique (ANSP 234103), L 70 mm; D, E, exterior and interior of left valve, Mozambique (USNM 628930), L 78 mm; F, dorsal view (NHMUK 20170373), L 78 mm; G, H, details of hinge of right and left valves (NHMUK 20170373), scale bar, 10 mm; I, J, Retrolucina defrancei (Deshayes, 1857) exterior and interior of left valve Eocene, Lutetian, Chaumont-en-Vexin, Oise,France (MNHN.F.J07396), L 35 mm; K, L, Retrolucina defrancei (Deshayes,1857),Eocene, Lutetian, Chaussy, Seine et Oise, France, (RBINS IG10591), L 71 mm; M, N, Retrolucina defrancei (Deshayes, 1857), Eocene, Lutetian, Parnes, France, Deshayes collection (NHMUK 33283a), L 50.4 mm.

FIG. 2. — Gibbolucina zelee n in Hanging on - lucinid bivalve survivors from the Paleocene and Eocene in the western Indian Ocean (Bivalvia: Lucinidae)

FIG. 2. — Gibbolucina zelee n. sp., Banc de la Zélée, Mozambique Channel, BENTHEDI stn R110, 24 m: A-D, holotype (MNHN-IM-2000-33710) exterior and interior of left and right valves, L 15.3 mm; E, F, paratype (MNHN-IM-2000-33711) exterior and interior of left valve, L 12.7 mm; G, paratype (as E, F) interior of right valve with reconstituted body, L 12.7 mm; H-J, paratype (MNHN-IM-2000-33711) exterior of right valve and interior of right and left valves, L 17.7 mm; K, L, paratype (MNHN-IM-2000-33711) exterior of right valve and dorsal view, L 10.5 mm; M, N, paratype (MNHN-IM-2000-33711) exterior of left valve and dorsal view, L 9.2 mm; O, P, paratype (MNHN-IM-2000-33711) interior of right and left valves, L 8.9 mm; Q, R, paratype (MNHN-IM-2000-33711) detail of hinge teeth of right and left valves of O & P; S, protoconch of Q. Abbreviations: am, anterior adductor muscle; f, foot; ld, left demibranch; pa, posterior apertures; pm, posterior adductor muscle. Scale bars: Q, R, 1.0 mm; S, 100 µm.

opencc-zeroDec 2016View details →

FIGURE 4 in New molecular phylogeny of Lucinidae: increased taxon base with focus on tropical Western Atlantic species (Mollusca: Bivalvia)

FIGURE 4. Single gene tree for Lucinidae based on cyt b sequences, using Bayesian inference as implemented by MrBayes. Support values are posterior probabilities (PP); branches with PP <50 % were collapsed. Western Atlantic species in red. See Table 1 for sample details. Monitilorinae and Lucininae expanded in Fig. 5.

opencc-zeroDec 2016View details →

FIGURE 1 in New molecular phylogeny of Lucinidae: increased taxon base with focus on tropical Western Atlantic species (Mollusca: Bivalvia)

FIGURE 1. Combined gene tree for Lucinidae based on sequences from three genes (18 S rRNA, 28 S rRNA and cyt b), using Bayesian inference as implemented by MrBayes. Support values are posterior probabilities (PP). Codakiinae and Lucininae expanded in Figs 2 and 3. See Table 1 for sample details. Western Atlantic species in red. Scale is number of substitutions per site. Locality codes used on trees. ABD—Abu Dhabi; ANG—Angola; BD—Bermuda; BOC—Bocas, Panama; BR—Broome, Australia; CAL—California; CB – Chesterfield Bank; COSRIC West Costa Rica; CR—Croatia; DMP—Dampier, Australia; DEV—Devon, UK; FK—Florida Keys; FR—France; GD—Guadeloupe; HK—Hong Kong; JPN – Japan; KK—Kungkraben Bay, Thailand; LH—Lord Howe Island; LI – Lizard Island, Australia; MAD—Madagascar; MADANG—Madang, Papua New Guinea; MAUR – Mauritius; MB—Moreton Bay, Australia; MEX—West Mexico; NC—New Caledonia; NIG—Nigeria; OK— Okinawa; PAN – Panglao, Philippines; PNG – Papua New Guinea; ROD—Rodrigues; RUK—Ryukyus, Japan; SAF—Safaga, Red Sea; SGP—Singapore; SOL—Solomon Sea; SYD—Sydney, Australia; TCB—Tin Can Bay, Australia; TIM—East Timor; TJ—Tjärnö, Sweden; TUN—Djerba, Tunisia; VAN—Vanuatu; VEN—Venezuela; UK—England.

Figure 14 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 14. Internal mould of Paracyclas proavia (Goldfuss, 1840) from the Devonian, Eifel, Germany (BMNH Pal. Department L25554). Shell length = 56 mm. A, right side, anterior adductor scar arrowed; B, detail of anterior adductor scar showing ventral detachment from pallial line. aas, anterior adductor muscle scar; pl, pallial line.

Figure 13. A, B in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 13. A, B, internal moulds showing right sides of Ilionia prisca, Silurian, Gotland, Sweden. A, BMNH, Shell length (SL) = 70 mm; B, BMNH, SL = 55 mm. C, D, outside and inside of left valve of Eomiltha voorhoevi, Recent, Mozambique, ANSP 234103, SL = 70 mm.

Figure 12 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 12. Posterior apertures of Fimbria fimbriata (Lizard Island, Queensland) showing double row of papillae, and short length of mantle fusion ventral to inhalant aperture. Abbreviations: ex, exhalant aperture; in, inhalant aperture; pg, pedal gape; vf, ventral fusion.

Figure 11 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 11. Posterior apertures of a range of lucinid species. All SEMs of critical point dried specimens. A, Anodontia omissa (Iredale, 1930), Moreton Bay Queensland; B, Phacoides pectinatus (Gmelin, 1792), Brazil; C, Bathyaustriella thionipta (Glover et al., 2004), Kermadec Ridge, New Zealand; D, Ctena bella (Conrad, 1837), Lizard Island, Queensland; E, Pillucina vietnamica Zorina, 1978, Port Douglas, Queensland; F, Wallucina assimilis (Angas, 1867), Jervis Bay, New South Wales; G, Lucina adansoni d'Orbigny, 1839, Cape Verde Islands. H, Cardiolucina pisiformis (Thiele, 1930), Shark Bay, Western Australia; I, Myrtea spinifera (Montagu, 1803), Oban Scotland. Images adjusted to similar scale. Abbreviations: ex, exhalant aperture; in, inhalant aperture; p, papillae; vf, ventral mantle fusion.

Figure 9 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 9. SEM section of ctenidial filament of Lucinisca nassula (Conrad, 1846) showing bacteriocytes and granule cells. Scale bar = 10 µm. Abbreviations b, bacteriocyte with rod-shaped bacteria. gr, granule cell and granules.

Figure 8 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 8. TEM section through part of ctenidial filament of Anodontia ovum (Reeve, 1850), Lizard Island, Queensland, showing central blood space flanked by bacteriocytes and intercalary cells. Scale bar = 5 µm. Abbreviations: b, bacteria; ba, bacteriocyte; bs, blood space; eic, distal extension of intercalary cell; ic, intercalary cell; ly, lysosome; m, microvilli; n, nucleus.

Figure 7 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 7. Composite tree of lucinid relationships derived from Bretsky (1976: figs 3–9) and including living taxa only.

Figure 10 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 10. Mantle gills in lucinids. A, Codakia tigerina; B, Lucina pensylvanica; C, Phacoides pectinatus; D, Anodontia philippiana. Scale bars = 1 mm.

Figure 6 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 6. Tree summarizing Chavan's (1969) ideas of relationships in Lucinidae derived from his subfamilial classification of genera. Recent taxa only included.

Figure 1 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 1. Diversity of form within Lucinidae. A, Plicolucina flabellata Glover, Taylor & Slack-Smith, 2003, Shell length (SL) = 22 mm; B, Lamellolucina trisulcata Taylor & Glover, 2002, SL = 10 mm; C, Codakia tigerina (Linnaeus, 1758), SL = 70 mm; D, Anodontia philippiana (Reeve, 1850), SL = 66 mm; E, Miltha childrenae (Gray 1825), SL = 82 mm; F, Eomiltha voorhoevi, SL = 80 mm; G, Austriella corrugata (Deshayes, 1843), SL = 60 mm; H, Ctena bella (Conrad, 1837), SL = 25 mm; I, Rasta lamyi (Abrard, 1942), SL = 30 mm; J, Pompholigina gibba (Gray, 1825), SL = 27 mm; K, Myrtea spinifera (Montagu, 1803), SL = 26 mm.

Figure 5 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 5. Tree of lucinid relationships derived from final figure (tableau chronologique de l'evolution des lucines) by Chavan, 1937−1938), including living taxa only.

Figure 4 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 4. General anatomy of Anodontia philippiana, Dampier, Western Australia, with left valve and mantle removed. Abbreviations: aa, anterior adductor muscle; exa, exhalant aperture; f, foot; fm, fused mantle; ld, left demibranch of ctenidia; me, mantle edge; mg, mantle gills on septum; p, periostracum; pa, posterior adductor muscle. Shell length = 40 mm

Figure 2 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 2. Molecular phylogeny of heterodont and palaeoheterodont bivalves produced by Bayesian analysis of partial sequences from the 18SrRNA gene. Branches with posterior probabilities <85% have been collapsed. Nodal support is posterior probability/bootstrap (Neighbour-joining using Maximum Likelihood distance, 10 000 reps). Details of taxa and methods in Taylor et al., 2005.

Figure 3 in Lucinidae (Bivalvia) - the most diverse group of chemosymbiotic molluscs

Figure 3. Molecular phylogeny of Lucinidae (from Williams et al., 2004) based on concatenated gene sequence data from 18S rRNA and 28S rRNA genes. Branches collapsed with posterior probabilities of> 90%. Nodal support is posterior probability/bootstrap (NJ using ML distance, 10 000 reps). *Bootstrap support is 96% for lucinid clade B excluding Phacoides pectinatus.