taxonID	type	description	language	source
603175B7F1896DA7A6EC8EB44AED2DF4.taxon	diagnosis	Diagnosis. Scutum triangular, rostral tooth and obvious adductor plate present, basal margin of adductor plate forming obvious angle. Tergum trapezoid, spur triangular, medial furrow curved.	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
603175B7F1896DA7A6EC8EB44AED2DF4.taxon	description	Description. (Type specimen: 6 mm in basal diameter, rostro-carinal diameter to 5.2 mm). Shell plates fully fused, purple, oval, externally surface with about 24 strip-like projections radiating from subcentral orifice to shell plate margin (Fig. 2 A). Bases of shell with about 27 internal ribs radiating from rim of inner operculum (Fig. 2 B). Orifice oval, long, narrow, about 1 / 3 length of rostro-carinal diameter. Scutum and tergum white, fused without junctions (consistent through 3 specimens, Fig. 2 C-H). Scutum triangular, width equal to height, occludent margin slightly curved, rostral tooth basally, 15 teeth along ventral surface of occludent margin, tooth size increasing gradually from apex to base. Ventral view with oval-shaped adductor muscle scar (Fig. 2 D, F, H). Dorsal view with obvious adductor plate, convex, extending below basal margin of scutum, plate about 3 / 5 height of scutum, basal margin with obvious angle (Fig. 2 C, E, G). Dorsal surface with horizontal striations, striations with row of small pores. Tergum trapezoid, lateral depressor muscle crests present. Spur triangular, blunt, curved, height reaching more than 1 / 2 height of tergum, basal margin not obvious due to curved spur. Dorsal surface with medial furrow, curving from basal margin towards the carinal margin (Fig. 2 C, E, G). Dorsal surface with horizontal striations, striations with row of small pores. Maxilla bilobed (Fig. 3 A), serrulate setae distally (Fig. 3 C) and along inferior margin (Fig. 3 B). Maxillule cutting edge straight, without notch, bearing row of 7 large and 3 smaller setae (Fig. 3 D). Region close to cutting edge with dense fine simple setae (Fig. 3 F), anterior and posterior margins with long simple setae (Fig. 3 E). Mandible with 4 or 5 teeth, excluding inferior angle (inconsistent in 4 specimens, Fig. 4 A, D, F, H). Second, third and fourth teeth bidentate (Fig. 4 B), the first 3 teeth occupying most of length of cutting edge. Lateral surface, lower margin and cutting edge of mandible bearing simple setae. Lower margin short, about 1 / 16 length of mandible, inferior angle ending in blunt angle with dense, fine setae (Fig. 4 C, E, G). Mandibular palp rectangular, elongated (Fig. 5 A), bearing serrulate setae distally (Fig. 5 C) and inferior margin (Fig. 5 B). Labrum bilobed, V-shaped notch between lobes, no or 2 sharp teeth on each side of notch (inconsistent in three specimens, Fig. 5 D, G, H). Cirrus I with rami unequal, anterior ramus long, slender, 14 - segmented, posterior ramus 6 - segmented (Figs 6 A, 7 A), bearing serrulate setae (Fig. 7 B, C, D). Cirrus II with rami subequal, both 7 - segmented (Figs 6 B, 7 E), bearing serrulate setae (Fig. 7 F, G, H). Cirrus III with rami subequal, anterior ramus 8 - segmented, posterior ramus 7 - segmented (Figs 6 C, 8 A), bearing serrulate setae (Fig. 8 B, C, D). Cirri IV-VI long, slender, rami equal. Cirrus IV with anterior ramus 16 - segmented, posterior 15 - segmented, Cirrus V (anterior 21 - segmented, posterior 19 - segmented), Cirrus VI (anterior 22 - segmented, posterior 21 - segmented) (Figs 6 D, E, F, 8 E, 9 A, D). Intermediate segments of Cirri IV-VI with 4 pairs of serrulate setae (Figs 8 F, 9 C, F), distal pair longest, proximal pair shortest. Penis long (1.9 times length of Cirrus VI), annulated, some dark spots present, scattered short simple setae (Fig. 9 G). Pedicel with basidorsal point (Fig. 9 G, H), apex bearing short simple setae (Fig. 9 I).	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
603175B7F1896DA7A6EC8EB44AED2DF4.taxon	distribution	Distribution. At present only recorded from Taiwan.	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
603175B7F1896DA7A6EC8EB44AED2DF4.taxon	etymology	Etymology. The name angularis denotes the presences of the obvious adductor plate angle, which is a diagnostic character of this species.	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
553734F433CA6000E8369C15A45F1598.taxon	diagnosis	Diagnosis. Scutum subtriangular, rostral tooth and obvious adductor plate present. Adductor plate angle not obvious. Tergum subtriangular, lateral depressor muscle crests, medial furrow and spur present. Spur triangular, long, curved and sharp.	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
553734F433CA6000E8369C15A45F1598.taxon	description	Description. Shell (8 mm in maximum basal diameter, rostro-carinal diameter to 6 mm) plates fully fused, purple, oval, externally surface with about 25 strip-like projections differing in length and radiating from nearly subcentral orifice to plate margin (Fig. 10 A). Bases of shell with about 27 internal ribs radiating from the rim of the inner operculum to the basal margin of the shells (Fig. 10 B). Orifice oval, long and narrow, about 3 / 8 length of rostro-carinal diameter. Scutum and tergum white, fused without any junctions (Fig. 10 C, D). Scutum subtriangular, width 1.5 times length of height, occludent margin slightly curved, with a rostral tooth on bottom (Fig. 10 F) and continuous teeth along the ventral surface of occludent margin, tooth size increasing gradually from apex to base. Ventral view with an apparent oval-shaped adductor muscle scar (Fig. 10 D). Dorsal view with obvious adductor plate, extending below basal margin, plate more than 1 / 2 height of scutum. Basal margin of adductor plate without obvious adductor plate angle (Fig. 10 C). Dorsal surface of scutum with horizontal striations, striations with row of small pores (Fig. 10 E). Tergum subtriangular, lateral depressor muscle crests present. Spur triangular, long, curved and sharp, height reaching more than 1 / 2 height of tergum, basal margin not obvious due to the curved spur. Dorsal surface with medial furrow, curving from basal margin towards the carinal margin of tergum, width of furrow increased gradually from apex to base (Fig. 10 C). Dorsal surface with horizontal striations, striations with row of small pores. Maxilla oval (Fig. 11 A), serrulate setae distally (Fig. 11 B) and along inferior margin (Fig. 11 C). Maxillule cutting edge straight, without notch, bearing row of 13 large, similar sized setae (consistent through 2 specimens, Fig. 11 D, F, and inco nsistent through 2 specimens with 11 and 9 large setae, Fig. 11 G, H, respectively). Region close to cutting edge with dense fine simple type setae (Fig. 11 E), anterior and posterior margin with long simple type setae. Mandible with five teeth (excluding inferior angle) (teeth number consistent in five specimens but differed in morphologies, Fig. 12 A, E, F, G, H). Second, third, fourth and fifth teeth bidentated (Fig. 12 B, C), the first 4 teeth occupying most of length of cutting edge. Lateral surface, lower margin and cutting edge of mandible bearing simple type setae. Lower margin short, about 1 / 20 length of total length of mandible, inferior angle ending in a blunt angle with dense, fine setae (Fig. 12 D). Mandibular palp rectangular, elongated (Fig. 13 A), bearing serrulate setae distally (Fig. 13 B) and on inferior margin (Fig. 13 C). Labrum bilobed, with V-shaped notch between 2 lobes, 2 sharp teeth on each side of notch (inconsistent in three specimens, Fig. 13 D, G, H). Cirrus I with rami unequal, anterior ramus long and slender, with 17 - segmented, posterior ramus 7 - segmented (Figs 14 A, 15 A), bearing serrulate setae (Fig. 15 B, C, D), dark spots exist on each segment of the ramus (Fig. 15 A). Cirrus II with rami almost equal, anterior ramus 8 - segmented and posterior ramus 6 - segmented (Figs 14 B, 15 E), bearing serrulate setae (Fig. 15 F, G, H), dark spots exist on each segment of the ramus (Fig. 15 E). Cirrus III rami equal, anterior ramus 10 - segmented, posterior ramus 8 - segmented (Figs 14 C, 16 A), bearing serrulate setae (Fig. 16 B, C, D), dark spots exist on each segment of the ramus (Fig. 16 A). Cirrus IV-VI long, slender, with equal rami size. Number of segments on Cirrus IV (anterior 16, posterior 16), Cirrus V (21, 20), Cirrus VI (21, 18) (Figs 14 D, E, F, 16 E, 17 A, C). Intermediate segments of Cirrus IV-VI with four pairs of serrulate setae (Figs 16 G, 17 D, E), distal pair longest, proximal pair shortest. Dark spots exist on each segment of the ramus (Figs 16 E, 17 A, C). Penis long (1.2 times length of Cirrus VI), annulated, some dark spots present, scattered short simple type setae (Fig. 17 G). Pedicel with basidorsal point (Fig. 17 G, I), apex bearing short simple type setae (Fig. 17 H).	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
553734F433CA6000E8369C15A45F1598.taxon	distribution	Distribution. South China Sea: Singapore, Mainland China (Hong Kong), Vietnam (Nhatrang Bay). Pacific Ocean: Taiwan (Green Island, Turtle Island, Siaoliouciou Island, Kenting, Suao), Japan, Australia (Western Australia & Great Barrier Reef), Philippine. Indian Ocean: Mauritius (Albion), Bay of Bengal, Thailand (Gulf of Siam), Sri Lanka, Red Sea.	en	Chen, Yi-Yang, Lin, Hsiu-Chin, Chan, Benny K. K. (2012): Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan. ZooKeys 214: 43-74, DOI: http://dx.doi.org/10.3897/zookeys.214.3291, URL: http://dx.doi.org/10.3897/zookeys.214.3291
