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739 results for “Barnacle”
FIGURE 31 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 31. Acasta sulcata. Mandible (A̅D), mandibular palp (E̅H) and labrum (I, J) (ASIZCR000369). A, mandible; B, lower margin and inferior angle; C, upper half of blade with bifid second tooth; D, upper margin; E, mandibular palp; F, serrulate setae distal; G, outer margin; H, basal part; I, labrum; J, teeth on labrum. Scale bars in µm.
FIGURE 5 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 5. Acasta aspera sp. nov. Cirri I (A̅C), II (D̅E) and III (F̅H) (Holotype). A, cirrus I; B, distal segments of posterior ramus; C, terminal segment of anterior ramus; D, cirrus II; E, bifid setae on anterior ramus; F, cirrus III; G, intermediate segments of anterior rami, denticles on anterior edge enlarged in rectangle area; H, intermediate segments of posterior rami, sharp denticles and ctenes on posterior edge enlarged in rectangle areas, respectively. Scale bars in µm.
FIGURE 26 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 26. Acasta sulcata disassembled shell showing separated plates and basis after bleach treatment (ASIZCR000369). A, external view of rostrum; B, internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H, J, internal view of carinolaterals; K, external view of carina; L, internal view of carina; M, external view of basis; N, internal view of basis. Scale bar = 1 mm.
FIGURE 4 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 4. Acasta aspera sp. nov. Complete shell, scuta, terga and disassembled shell. A, B and F̅M are specimen WAM- C58741 (Paratype); C̅E and N are specimen WAM-C55057 (Paratype). A, view from lateral; B, Close up of membranecovered clefts; C, view from lateral without basis, showing the clefts; D, external view of scuta; E, internal view of terga; F, G, external and internal view of rostrum; H, I, external and internal view of laterals; J, K, external and internal view of carinolaterals; L, M, external and internal view of carina; N. external view of basis. Scale bars = 1 mm.
FIGURE 14 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 14. Acasta huangi sp. nov. Cirrus IV (Holotype). A, cirrus IV; B, posterior of protopod showing teeth on basal part; C̅F, teeth on segments 1̅8 of anterior ramus; G, broken tip of posterior ramus; H, distal segments of anterior ramus. Scale bars in µm.
FIGURE 10 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 10. Acasta aspera sp. nov. Cirri, penis, and oral cone (Paratype: WAM-C58741). A, denticles on intermediate segments of cirrus III; B, small teeth and denticles on cirrus IV; C, denticles on posterior surface of coxa of cirrus V; D, small basidorsal point on basal part of penis; E, maxillule; F, mandible; G, mandibular palp; H, labrum. Scale bars in µm.
FIGURE 3 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 3. Acasta aspera sp. nov. Disassembled shell after bleach treatment showing separated plates and basis (Holotype). A, B, external and internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H, J, internal view of carinolaterals; K, L, external and internal view of carina; M, N, external and internal view of basis. Scale bar = 1 mm.
FIGURE 21 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 21. Acasta radenta sp. nov. Cirrus IV (Holotype). A, cirrus IV; B, protopod showing teeth on basis; C̅F, anterior ramus, teeth and denticles enlarged in rectangle area (E); G, H, intermediate segments of anterior and posterior rami showing serrulate setae enlarged in rectangle area. Scale bars in µm.
FIGURE 6 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 6. Acasta aspera sp. nov. Cirrus IV (Holotype). A, Cirrus IV; B, posterior of protopod, small denticles and short ctenes on posterior surface of coxa enlarged in rectangle area; C, intermediate segments of posterior ramus; D, E, curved teeth on anterior ramus; F, serrulate setae on posterior ramus; G, H, terminal segments of anterior and posterior rami, serrulate setae on segments, enlarged in rectangle areas, respectively.. Scale bars in µm.
FIGURE 13 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 13. Acasta huangi sp. nov. Cirri I (A̅D), II (E, F) and III (G, H) (Holotype). A, cirrus I; B, intermediate segments of posterior ramus; C, D, distal segments of anterior and posterior rami; E, cirrus II; F, terminal segment of anterior ramus; G cirrus III; H, terminal segment of posterior ramus. Scale bars in µm.
FIGURE 9 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 9. Acasta aspera sp. nov. Mandibular palp (A̅F) and labrum (F̅H) (Holotype). A, mandibular palp; B, C, inner margin showing outer margin concave; D, E, terminal part showing serrulate setae in distal lobe; F, labrum; G, teeth on each crest of labrum; H, basal part of labrum. Scale bars in µm.
FIGURE 33 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 33. Acasta undulaterga sp. nov. Disassembled shell showing separated plates and basis after bleach treatment (Holotype). A, B, external and internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H, J, internal view of carinolaterals; K,L, external and internal view of carina; M, N, external and internal view of basis. Scale bar = 1 mm.
FIGURE 30 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 30. Acasta sulcata. Maxillae (A̅D) and maxillule (E̅H) (ASIZCR000369). A, maxillae; B, outer edge; C and D, inner edge; E, maxillule; F, straight cutting margin showing 11 cuspidate setae; G, upper half of cutting edge; H, lower half of cutting edge. Scale bars in µm.
FIGURE 20 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 20. Acasta radenta sp. nov. Cirri I (A̅C), II (D, E) and III (F̅H) (Holotype). A, cirrus I, plumose setae on basal part enlarged in rectangle area; B, C, distal segments of anterior and posterior rami; D, Cirrus II, plumose and serrulate setae on protopod enlarged in rectangle area; E, distal segments of posterior ramus; F, cirrus III, serrulate and plumose setae on protopod; G terminal segment of anterior ramus; H, intermediate segments showing small ctenes on enlarged in rectangle area. Scale bars in µm.
FIGURE 28 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 28. Acasta sulcata. Cirri III (A̅D) and IV (E̅J) (ASIZCR000369). A, cirrus III, simple and plumose setae enlarged in rectangle area; B, intermediate segments of posterior ramus; C, serrate and serrulate setae on anterior ramus; D, serrate and serrulate setae on posterior ramus; E, cirrus IV, plumose setae enlarged in rectangle area; F, 12 teeth on basis; G, H, teeth on anterior ramus; I, intermediate segments of anterior ramus; J, serrate setae on terminal segments of anterior and posterior rami. Scale bars in µm.
FIGURE 2 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 2. Acasta aspera sp. nov. Complete shell, scuta and terga (Holotype). A, view from rostrum; B, view from lateral; C, view from carina; D, top view showing whole shell; E, view from basis; F, external view of scuta; G, internal view of scuta; H, external view of terga (one with broken basal part); I, internal view of terga (one with broken basal part);. Abbreviations: R, rostrum; CL, carinolateral; C, carina; S, scuta; T, terga. Scale bars = 1 mm.
FIGURE 24 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 24. Acasta radenta sp. nov. Mandible (A̅C), mandibular palp (D̅F) and labrum (G, H) (Holotype). A, mandible showing 5 teeth; B, lower margin and inferior angle; C, bifid second tooth; D mandibular palp; E, serrulate setae on distal lobe; F, outer margin; G, labrum; H, crests of labrum without teeth. Scale bars in µm.
FIGURE 19 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 19. Acasta radenta sp. nov. Disassembled shell after bleach treatment showing separated plates and basis (Holotype). A, B, external and internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H and J, internal view of carinolaterals; K, L, external and internal view of carina; M, N, external and internal view of basis. Scale bar = 1 mm.
FIGURE 12 in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 12. Acasta huangi sp. nov. Disassembled shell showing separated plates and basis after bleach treatment (Holotype). A, B, external and internal view of rostrum; C, E, external view of laterals; D, F, internal view of laterals; G, I, external view of carinolaterals; H, J, internal view of carinolaterals; K, L, external and internal view of carina; M, N, external and internal view of basis (basis broken). Scale bar = 1 mm.
FIGURE 29. Acasta sulcata. Cirri V in Descriptions of four new sponge-inhabiting barnacles (Thoracica: Archaeobalanidae: Acastinae)
FIGURE 29. Acasta sulcata. Cirri V (A̅D), VI (E̅G) and penis (H̅J) (ASIZCR000369). A, Cirrus V; B, serrate setae on anterior ramus; C, sharp denticles on anterior ramus enlarged in rectangle area; D, 3 pairs of setae and denticles on intermediate segments; E, Cirrus VI; F, terminal segment of posterior ramus with serrate setae enlarged in rectangle area; G, 3 pairs of setae on intermediate segments; H, penis; I, long setae on tip; J, vestigial basidorsal point of penis. Scale bars in µm.
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