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FIGURE 123 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURE 123: Most parsimonious cladogram with each node numbered (ingroup) or named by letters (outgroups at right). Some suprafamiliar taxa already acknowledged indicated by dotted arrows. Length: 65; CI: 89; RI: 95.
FIGURE 122 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURE 122: Most parsimonious cladogram with synapomorphies of each node represented by symbols (black square: non-homoplastic synapomorphy; white square: reversion; circle: convergence). The number above indicates the character, the number bElow indicates its state. Four outgroups also shown in the bottom. Length: 65; CI: 89; RI: 95.
FIGURE 121 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURE 121: Schematic representation of structures annexed to mouth of a protobranch bivalve (above) and a scaphopod (below), frontal-slightly right view. Captacula (cp) only partially represented. Oral tube (ot) represented as if it were transparent with mouth at base instead of its tip. Not to scale. Suggestions of homology of mouth position are based on topology and on location of nerve ring, just posterior to it in more basal taxa of both classes.
FIGURES 116‑117 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 116‑117: Solemya notialis anatomy: 116) Digestive tubes, main musculature and central nervous system in situ, right view, semi-diagrammatic representation artificially transparent, topology of some adjacent structures also shown; 117) Posterior region of visceral mass, dorsal view, dorsal wall of pericardium and adjacent mantle removed. Scales = 1 mm.
FIGURES 118‑120 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 118‑120: Schematic representation of main retractor muscles of foot with indication of possible homologous structures. The grey marks are suggestions of homologies; 118) scheme of a transverse section in middle level of foot-visceral axis in a rostroconch, with putative intermediary lateral position of pair of longitudinal muscles, and generic basal scaphopod and bivalve, in which that pair of muscles migrated respectively towards dorsal and ventral (dotted arrows), originating from the longitudinal muscles and the posterior retractor pedal muscles (lm, fm). 119) A generic scaphopod; 120) A protobranch bivalve. Not to scales. Some structures seen by transparency.
FIGURES 111‑115 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 111‑115: Solemya notialis anatomy: 111) Whole right view, part of right mantle lobe removed, some structures show by artificial transparency; 112) Gill, transverse section in its middle region; 113) Mantle border, right-slightly dorsal view, remaining portion of mantle lobes removed, topology of some adjacent structures also shown; 114) Same, transverse section in middle level of ventral region; 115) Mantle border in region of excurrent siphon, posterior-outer view. Scales = 1 mm.
FIGURES 104‑110 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 104‑110: Ennucula puelcha BMNH type lot (1854-12-4-774): 104-105) Lectotype single (left) valve, outer and inner views, length = 13.0 mm; 106-107) Paralectotype #2, outer views of both valves, length = 6.8 mm; 108-110) Paralectotype #3, inner view of both valves and outer view of left valve, length = 7.8 mm; Paralectotypes 2-3 appear to be Nucula semiornata d'Orbigny, 1846.
FIGURES 75‑79 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 75‑79: Polyschides noronhensis anatomy: 75) Whole left view; 76) Whole dorsal view; 77) Detail of posterior region, dorsal view; 78) Whole ventral view, mantle opened longitudinally along median line; 79) Haemocoel, dorsal view, mainly showing pedal musculature, foot and visceral sac opened longitudinally. Scales = 0.5 mm.
FIGURES 101‑103 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 101‑103: Ennucula puelcha anatomy: 101) Whole ventral-slightly right view, right hemipalps deflected, pallial lobes removed; 102) Midgut and adjacent structures in situ, right view; 103) Stomach and adjacent digestive tubes, right view, mostly opened longitudinally. Scales = 1 mm.
FIGURES 30‑38 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 30‑38: Shell and anatomical aspects of Ennucula puelcha (MZUSP 19101; length = 13.0 mm): 30) Right valve, inner view; 31) Same, left valve; 32) Dorsal-slightly right view; 33) Left valve, detail of hinge, inner view; 34) Same, right valve; 35) Dorsal region with left valve somewhat still in situ, dorsal-slightly right partial view; 36) Whole shell, ventral view, valves somewhat deflected; 37) Whole left view, left mantle lobe partially removed; 38) Anterior-slightly ventral view.
FIGURES 87‑94 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 87‑94: Gadila brasiliensis anatomy: 87) Whole ventral view, anterior half of pallial cavity opened longitudinally along median line; 88) Foot and haemocoel, right view, more superficial structures, mantle and integument extracted, a portion of left retractor muscle of foot extracted to show intestine; 89) Odontophore, ventral view, superficial layer of membranes removed; 90) Same, posterior view; 91) Odontophore, radular ribbon removed, ventral view; 92) Same, both cartilages deflected, m3 transversally sectioned, right m4 deflected; 93) Central nervous system, left view, topology of adjacent esophagus also shown; 94) Same, anterior view. Scales = 0.5 mm.
FIGURES 53‑56 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 53‑56: Coccodentalium caduum anatomy: 53) Whole ventral-slightly right view, haemocoel opened longitudinally exposing internal organs, stomach partially deflected, topology of some other structures also shown; 54) Detail of foot and anterior region of haemocoel, left view, captacula mostly extracted, except their base; 55) Digestive tubes, left view, foregut opened longitudinally, topology of some adjacent structures also shown, trajectory of intestine indicated in schematic representation at left; 56) Middle region of visceral mass, dorsal view, outer layer of structures, main mantle and longitudinal muscles, removed. Scales = 2 mm.
FIGURES 65‑74 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 65‑74: Paradentalium disparile anatomy: 65) Whole right view; 66) Detail of posterior region, dorsal view; 67) Whole ventral view, mantle opened longitudinally along median line and deflected; 68) Anterior region, mainly showing digestive tubes, right view, foregut opened longitudinally, topology of some adjacent structures also shown, trajectory of intestine indicated in indicated schematic representation at left, a transverse section of esophagus in indicated level also shown; 69) Odontophore, ventral view; 70) Same, dorsal view; 71) Odontophore, posterior view, radula completely removed, right m4 deflected; 72) Same, m3 sectioned transversally, both cartilages and left m4 deflected; 73) Pedal ganglia and statocysts, ventral view; 74) Cerebral ganglia, ventral view. Scales = 1 mm.
FIGURES 57‑64 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 57‑64: Coccodentalium caduum anatomy: 57) Odontophore, dorsal view; 58) Same, ventral view; 59) Odontophore, anterior view, superficial layer of muscles and membranes removed, part of radula also removed (except portion inside radular sac); 60) Same, posterior view, radula completely removed, left portion of radular sac shown in situ, right m4 deflected; 61) Same, dorsal view, m3 transversally sectioned, both cartilages deflected; 62) Same, both m4 deflected downwards; 63) Cerebral ganglia, ventral view; 64) Pedal ganglia and statocysts, dorsal view. Scales = 0.5 mm.
FIGURES 80‑86 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 80‑86: Polyschides noronhensis anatomy: 80) Haemocoel, dorsal view, mainly showing pedal musculature, digestive tubes and part of nerve ring, foot and visceral sac opened longitudinally; 81) Digestive tubes, dorsal view, topology of some adjacent structures also shown; 82) Odontophore, ventral view, superficial layer of membranes removed; 83) Same, whole ventral view; 84) Odontophore, dorsal view, radula removed (only radular sac topology indicated), right m4 deflected; 85) Same, m3 sectioned transversally, both cartilages and m4 deflected; 86) Nerve ring, anterior view. Scales = 0.5 mm.
FIGURES 47‑52 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 47‑52: Coccodentalium caduum anatomy: 47) Whole ventral view, mantle opened longitudinally along median line and deflected; 48) Whole left view; 49) Detail of posterior region, dorsal-slightly right view; 50) Detail of middle and posterior region of pallial cavity roof, ventral view; 51) Anterior region of visceral mass, just posterior to haemocoel, transverse, semi-schematic section; 52) Foot and anterior region of haemocoel, left view. Scales = 2 mm.
FIGURES 16‑29 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 16‑29: Shell and radular aspects of Gadilidae: 16-22) Polyschides noronhensis; 16) Holotype shell, left view, length = 8.6 mm; 17) same, paratype MZUSP 32011, length = 7.8 mm; 18) Paratype MZUSP 32011#1, left view, detail of anterior aperture in profile with some captacula, scale = 0.5 mm; 19-20) Paratype MZUSP 46736, detail of posterior aperture in profile, right and left views respectively, scale = 0.25 mm; 21-22) Radulae of 2 specimens in SEM, scale = 50 µm; 23-29) Gadila braziliensis MZUSP 46736; 23) #3, right view, length = 7.5 mm; 24) #2, dorsal view, length = 7.9 mm; 25) #4, young specimen, length = 3.4 mm; 26) Radula in SEM, scale = 50 µm; 27) Same in light microscopy; 28) Odontophore, radular ribbon removed, ventral view, maximum diameter = 0.7 mm; 29) #2, left view, detail of posterior aperture in profile, scale = 0.5 mm.
FIGURES 39‑46 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 39‑46: Shell aspects of Solemya notialis n. sp: 39) Holotype, left view, length = 10.6 mm; 40) Same, right view; 41) Same, dorsal view; 42) Same, ventral view; 43) Same, detail of peri-umbonal region, left-slightly dorsal view, scale = 1 mm; 44) Same, right valve, inner view, detail of hinge and anterior region, scale = 1 mm; 45-46) Paratype MZUSP 20397, right valve with extended periostracum, outer and inner views respectively, length = 12.9 mm.
FIGURES 95‑100 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 95‑100: Ennucula puelcha anatomy: 95) Whole right view, right valve and part of mantle right lobe removed; 96) Mantle edge, transverse section in middle portion of its ventral region; 97) Gill, transverse section in its middle region along 5 filaments; 98) Posterior half of visceral mass, dorsal-slightly right view, right mantle lobe and dorsal portion of pericardium removed; 99) Digestive tubes, main musculature and central nervous system in situ, right view, semi-diagrammatic representation artificially transparent; 100) Region of posterior adductor muscle, right-slightly posterior view, pallial lobes fully removed. Scales = 1 mm.
FIGURES 1‑15 in Comparative morphology among representatives of main taxa of Scaphopoda and basal protobranch Bivalvia (Mollusca)
FIGURES 1‑15: Shell, radular and anatomical aspects of Dentaliidae: 1-9) Coccodentalium caduum; 1) Shell, whole right view, MZUSP 32977, length = 74.0 mm; 2) Detail of anterior aperture, profile, right view; 3) Detail of sculpture of middle region. 4) Anterior aperture, anterior view, animal still inside; 5) detail of posterior aperture, dorsal view, scale = 2 mm; 6) Radula in situ, anterior view, scale = 1 mm; 7) Radula removed from odontophore, ventral view, scale = 1 mm; 8-9) Radulae of 2 specimens in SEM, scale = 200 µm; 10-15) Paradentalium disparile; 10) Shell, whole left view, MZUSP 25589#1, length = 35.1 mm. 11) Same, detail of posterior aperture; 12) Shell, whole left view, MZUSP 25589#2, length = 31.5 mm; 13) Detail of dissected anterior region, central view, captacula deflected to show foot, scale = 2 mm. 14-15) Radulae of 2 specimens in SEM, scales = 100 µm.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.