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1,968 results for “morphological taxonomy”
FIGURE 6 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 6. Ligament and larval shell of Isognomon spathulatus (SEM; AMNH 319254). A—Right dorsolateral view of left (top) and right (bottom) prodissoconchs; B—Interior view of anterior region of left valve hinge showing terminal prodissoconch, anterior dentition, and ontogenetically earliest ligamental layers. Abbreviations: at, anterior subumbonal tooth; F1, ontogenetically first fibrous ligamental layer; mel, metamorphic line; P1, prodissoconch 1; P2, prodissoconch 2; re, resilifer. Scale bars: A: 150 Μm; B: 250 Μm.
FIGURE 12 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 12. Morphology of ctenidia of Isognomon spathulatus (transverse histological section, 5-µm, PAS stain of single inner demibranch; AMNH 319258; 52 mm). A—Section at distal-most edge of demibranch margin showing absence of serial interfilamentar tissue fusion; B—Section slightly proximal to that of A showing limited extent of interfilamental serial fusion restricted to narrow, median bridge; C—Section at mid-height of demibranch; D—Closeup of single lamella showing ciliation of ordinary filaments; E—Section though row of ciliated disks showing interfilamental junctions. Abbreviations: ac, apical cilia; cd, ciliated disk; fg, food groove; lc, lateral cilia; lfc, laterofrontal cilia; ogf, ordinary gill filament; tf, tissue fusion. Scale bars: A−C: 150 Μm; D: 50 µm; E: 100 µm.
FIGURE 5 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 5. External and internal features of dorsal shell region of juvenile Isognomon spathulatus (SEM). A—Right lateral view of articulated shell (AMNH 319254; 5.53 mm). Lateral views of left (B) and right (C) valves showing ligamental area and hinge dentition (AMNH 319254; 7.72 mm). Abbreviations: aa, anterior auricle; at, anterior subumbonal tooth; ats, anterior tooth socket; bn, byssal notch; Fn, fibrous ligamental layer (number corresponding to order of ontogenetic development); lga, ligamental area; P2, prodissoconch 2; pt, posterior submarginal tooth; pts, posterior tooth socket; re, resilifer. Scale bars: 1 mm.
FIGURE 8 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 8. Soft anatomy of Isognomon spathulatus (AMNH 319257; 39 mm). A—Right lateral view of intact soft anatomy with the right valve removed; B—Right lateral view of the soft anatomy with the valves and the mantle lobe removed; C—Diagrammatic view of the soft anatomy showing the internal features on the visceral mass. Abbreviations: ad, adhesive disk of byssus; af, anal funnel; am, accessory pedo-byssal muscle; amc, "catch" component of posterior adductor muscle; amq, "quick" component of posterior adductor muscle; au, auricle; by, byssus; byt, byssal thread; ct, ctenidium; e, esophagus; f, foot; farm, fused anterior pedo-byssal retractor muscles; h, heart; hl, hinge line; in, intestine; k, kidney (shaded gray); lp, labial palp; mi, mantle isthmus; mlc, contractile zone of mantle lobe; mlh, homogeneous central zone of mantle lobe; mm, mantle margin; mo, mouth; nb, border of nacreous layer; pam, posterior adductor muscle; pf, pallial fold; prm, posterior pedo-byssal retractor muscle; rprm, radial pallial retractor muscle; sm, suspensory membrane; st, gastric chamber ("stomach"); ss, supramyal septum; ur, ureter; v, ventricle; vm, visceral mass. Scale bar: 10 mm.
FIGURE 1 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 1. Isognomon spathulatus, lectotype (NHMUK 20130275/1; 39 mm). A—Original illustration by G.B. Sowerby II of a syntype here selected as lectotype (Reeve, 1858: pl. 6, fig. 28); B—H. Cuming's original label with the locality ("Isle of Negros") glued to the specimen box with markings by other scholars; C—Exterior of the right valve; D—Exterior of the left valve; E—Interior of the left valve; F—Interior of the right valve. Scale bar: 10 mm.
FIGURE 4. Isognomon pearls. A—Free pearl from I. spathulatus, diameter 0.4 in Morphology and taxonomy of Isognomon spathulatus (Reeve, 1858), a cryptic bivalve from the mangroves of Thailand
FIGURE 4. Isognomon pearls. A—Free pearl from I. spathulatus, diameter 0.4 mm; B— Pair of free pears from I. ephippium, diameters 0.4 and 0.9 mm; C—The same pearls (indicated by arrows) as in B embedded in soft tissue proximal to hinge.
FIGURE 162 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 162. Strict consensus phylogenetic tree of all known species of the genus Dendropaemon based on morphology with Bremer support. The outgroup includes 8 putative closely related genera.
FIGURE 159 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 159. Known distribution of D. amyntas, D. attalus, D. lydiae, D. morettoi, D. ganglbaueri, D. vazdemelloi.
FIGURE 160 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 160. Known distribution of D. refulgens, D. fractipes, D. fasces, D. haroldi, D. nitidicollis, D. quadratus.
FIGURE 158 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 158. Known distribution of D. convexus, D. fredericki, D. angustipennis, D. bahianus, D. inemarginatus, D. nigritulus.
FIGURE 156 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 156. Known distribution of D. bluti, D. carinifer, D. compressipennis, D. cribrosus, D. furtadoi, D. hirticollis, D. inflatus, D. pauliani, D. pilosissimus, D. renatii.
FIGURES 134–154. Primary type labels. 134. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 134–154. Primary type labels. 134. D. hirticollis; 135. D. pauliani; 136. D. renatii; 137. D. ater; 138. D. piceus; 139: D. telephus; 140. D. viridis; 141. D. viridipennis. 142. D. convexus; 143. D. fredericki; 144. D. angustipennis; 145. D. bahianus; 146. D. amyntas (=D. attalus); 147. D. ganglbaueri; 148. D. refulgens; 149. D. fractipes; 150. D. fasces; 151. D. haroldi; 152. D. nitidicollis; 153. D. quadratus; 154. D. similis; 155. D. denticollis.
FIGURE 157 in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURE 157. Known distribution of D. aenigmaticus, D. amazonicus, D. angustulus, D. ater, D. flechtmanni, D. larseni, D. telephus, D. viridis, D. viridipennis.
FIGURES 118–125. Metatarsus, ventral view. 118. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 118–125. Metatarsus, ventral view. 118. D. fredericki, holotype; 119. D. angustipennis; 120. D. bahianus; 121. D. nigritulus, paratype; 122. D. amyntas; 123. D. attalus; 124. D. lydiae, paratype; 125. D. morettoi, paratype.
FIGURES 126–133. Metatarsus, ventral view. 126. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 126–133. Metatarsus, ventral view. 126. D. ganglbaueri, holotype; 127. D. vazdemelloi, holotype; 128. D. refulgens, holotype; 129. D. fractipes; 130. D. fasces; 131. D. nitidicollis; 132. D. quadratus; 133. D. denticollis.
FIGURES 110–117. Metatarsus, ventral view. 110. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 110–117. Metatarsus, ventral view. 110. D. bluti; 111. D. carinifer; 112. D. aenigmaticus; 113. D. amazonicus; 114. D. angustulus; 115. D. viridis; 116. D. viridipennis; 117. D. convexus.
FIGURES 37–41. Dorsal habitus. 37. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 37–41. Dorsal habitus. 37. D. latistriatus, male holotype; 38. D. nitidicollis, male lectotype; 39. D. quadratus, male neotype; 40. D. similis, male holotype; 41. D. denticollis, female holotype.
FIGURES 13–18. Dorsal habitus. 13. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 13–18. Dorsal habitus. 13. D. angustulus, male holotype; 14. D. ater, male neotype; 15. D. flechtmanni, male holotype; 16. D. larseni, male holotype; 17. D. piceus, male holotype; 18. D. telephus, male holotype.
FIGURES 19–24. Dorsal habitus. 19. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 19–24. Dorsal habitus. 19. D. viridis, female holotype; 20. D. viridipennis, male neotype; 21. D. convexus, male neotype; 22. D. fredericki, female holotype; 23. D. angustipennis, female lectotype; 24. D. bahianus, male lectotype.
FIGURES 31–36. Dorsal habitus. 31. D in Dendropaemon Perty, 1830: taxonomy, systematics and phylogeny of the morphologically most derived phanaeine genus (Coleoptera: Scarabaeidae, Scarabaeinae, Phanaeini)
FIGURES 31–36. Dorsal habitus. 31. D. ganglbaueri, male holotype; 32. D. vazdemelloi, male holotype; 33. D. refulgens, male holotype; 34. D. fractipes, male holotype; 35. D. fasces, male lectotype; 36. D. haroldi, male lectotype.
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