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Gins. Segment II Medially Inflated in Dorsal View, with Plumose Setae on Dorsal And 2002 BOYKO: WORLDWIDE REVISION OF ALBUNEIDAE 233 Fig. 75. Albunea speciosa Dana, 1852: A, ?, 9.0 mm cl, USNM 260868, neotype; B±J, ?, 10.4 mm cl, USNM 287087. A. Carapace, branchiostegite, and ocular peduncles, dorsal view. B. Ocular peduncles, dorsal view. C. Left antennule, lateral view. D. Left antenna, lateral view. E. Left mandible; mesial view. F. Left maxillule, lateral view. G. Right maxilla, lateral view. H. Left maxilliped I, lateral view. I. Right maxilliped II, lateral view. J. Left maxilliped III, lateral view. Scale 5 1.6 mm (B, E, F), 2.2 mm (I), and 3.3 mm (A, C, D, G, H, J). gins. Segment II medially in¯ated in dorsal gose with long plumose setae; long plumose view, with plumose setae on dorsal and ven- setae on dorsal and ventral margins. tral margins, and scattered on ventrolateral Antenna (®g. 75D) with segment V ap- third of surface. Segment I wider than long, proximately three times longer than wide, unarmed; dorsal third of lateral surface ru- with long plumose setae on dorsal and ven- 234 BULLETIN AMERICAN MUSEUM OF NATURAL HISTORY NO. 272 tral margins; ¯agellum with ®ve or six arti- wide, with long simple setae on dorsal mar- cles, long plumose setae on dorsal, ventral, gin. Merus approximately three times longer and distal margins. Segment IV expanded than wide, margins parallel, with simple se- distally, with long plumose setae on dorsal, tae on ventrolateral margin and plumose se- ventral, and distal margins, and row of setae tae on dorsolateral margin. Basis-ischium in- on dorsolateral margin. Segment III with completely fused, with plumose setae on long plumose setae on ventral margin. Seg- margins. Exopod one-fourth longer than mer- ment II short, widening distally, with plu- us, ¯agellum with one article. mose setae on margins; antennal acicle long, Maxilliped III (®g. 75J) dactylus evenly thin, not exceeding distal margin of segment rounded; with long plumose setae on margins IV, with long plumose setae on dorsal mar- and lateral surface. Propodus with longitu- gin. Segment I rounded proximally, ¯attened dinal median row of plumose setae on lateral ventrolaterally, with long plumose setae on surface; margins with plumose setae. Carpus margins; lateral surface with acute spine dor- slightly produced onto propodus; lateral sur- sally, with low semicircular dorsolateral lobe face with row of plumose setae ventromedi- ventrodistal to spine; segment with ventro- ally; plumose setae on margins. Merus un- mesial antennal gland pore. armed, with plumose setae on margins. Ba- Mandible (®g. 75E) incisor process with sis-ischium incompletely fused, without cris- one tooth; cutting edge with one tooth. Palp ta dentata. Exopod two-segmented: proximal three-segmented, with plumose setae on mar- segment small; distal segment styliform, ta- gins and long, thick, simple setae arising pering, approximately one-third length of from bend in second segment. merus, with plumose setae on margins; with- Maxillule (®g. 75F) distal endite proxi- out ¯agellum. mally narrow, widening to in¯ated distal end, Pereopod I (®g. 76A) dactylus curved and with thick simple setae on distal margin. tapering; lateral and mesial surfaces smooth; Proximal endite with thick simple setae on dorsal margin with long plumose and short distal margin. Endopodal external lobe trun- simple setae; ventral margin with short sim- cate distally and curled under; internal lobe ple setae. Propodal lateral surface with nu- reduced with three thick setae at distolateral merous short, transverse rows of setose ru- margin. gae; dorsal margin unarmed; ventral margin Maxilla (®g. 75G) exopod evenly rounded, distally produced into acute spine; cutting with plumose setae along distal margin. Sca- edge lacking teeth, lined with long plumose phognathite bluntly angled on posterior lobe, setae; dorsal margin with long plumose setae, with plumose setae. ventral margin with short simple setae. Car- Maxilliped I (®g. 75H) epipod with plu- pus with dorsodistal angle produced into mose setae on distal margin and on distola- strong corneous-tipped spine, dorsal margin teral surface. Endite tapered distally and sub- with few large and small spines posteriorly equal to ®rst segment of exopod. Exopod along distal third; dorsal and distal margins with two segments: proximal segment nar- with long plumose setae; lateral surface with row, margins parallel, margins with plumose small distal rugose area, with few transverse setae; distal segment spatulate, approximate- setose ridges on distal half of surface; mesial ly as long as wide, broadest medially, mar- surface smooth with few scattered rows of gins with long plumose setae. Endopod ¯at- long plumose setae, margins with long plu- tened and elongate, reaching to distal end of mose setae. Merus unarmed; lateral surface proximal exopodal segment, with plumose with scattered transverse rows of long plu- setae on margins. mose setae, margins with long plumose se- Maxilliped II (®g. 75I) dactylus evenly tae; mesial surface with few short rows of rounded, length equal to width, with thick setae; proximal quarter of mesial surface simple setae distally. Propodus one-half wid- with decalci®ed window. Basis-ischium in- er than long, with plumose setae on dorsal completely fused, unarmed. Coxa unarmed. margin and long simple setae on distal mar- Pereopod II (®g. 76B) with dactylus gin. Carpus not strongly produced dorsodis- smooth; with base to heel straight, heel tally, approximately two times longer than smoothly rounded, heel to tip with rounded, 2002 BOYKO: WORLDWIDE REVISION OF ALBUNEIDAE 235 Fig. 76. Albunea speciosa Dana, 1852: A±E, ?, 10.4 mm cl, USNM 287087; F, ?, 9.0 mm cl, USNM 260868, neotype; G, /, 14 mm cl, USNM 287087. A. Right pereopod I, lateral view. B. Right pereopod II, lateral view. C. Right pereopod III, lateral view. D. Right pereopod IV, lateral view. E. Abdominal somites I±VI, dorsal view. F. Telson of ?, dorsal view. G. Telson of /, dorsal view. Scale 5 3.0 mm (F, G), 4.0 mm (A±D), and 4.2 mm (E). broad indent, tip acute, tip to base broadly face; distal and ventral margins with long convex; lateral surface smooth, with several plumose setae; dorsolateral surface as nar- small tufts of short setae in generally straight row, oblique, ¯attened shelf, with short setae line across medioproximal surface, several on dorsal margin and long plumose setae on widely spaced submarginal tufts of short se- ventral margin; mesial surface with elevated, tae dorsodistally; mesial surface smooth, curved, setose ridge from ventral junction ventral margin with long plumose setae, dor- with dactylus almost to ventral proximal sal margin with short simple setae and patch junction with carpus; decalci®ed region just of long plumose setae at base. Propodus with distal to junction with carpus. Carpus slightly dorsal surface smooth, ventral margin in¯at- produced dorsodistally; lateral surface nearly ed and rounded; oblique row of long plu- smooth, with irregular, interrupted row of ru- mose setae on distal margin of lateral sur- gae and submarginal elevated ridge ventrally, 236 BULLETIN AMERICAN MUSEUM OF NATURAL HISTORY NO. 272 rugae and ridge with long plumose setae; imally; lateral surface smooth, ventral mar- dorsodistal projection with mat of short setae gin with long plumose setae, dorsal margin on lateral surface; margins with long plu- with short simple setae; mesial surface with mose setae; mesial surface smooth, with long dorsal decalci®ed region, demarcated ven- plumose setae in scattered patches on surface trally by longitudinal elevated ridge with row and on margins. Merus with few scattered of short setae; with setose punctae ventral to setae on lateral surface and margins; mesial decalci®ed window. Propodus expanded dor- surface nearly smooth, with few setae and sally and ventrally; ventral expansion ex- decalci®ed area on proximal fourth near ceeds ventral margin of dactylus, margin junction with basis-ischium. Basis-ischium with long plumose setae; dorsal expansion incompletely fused and unarmed. Coxa with with row of long plumose setae medially; lat- one small spine on anterior margin. eral and mesial surfaces smooth. Carpus not Pereopod III (®g. 76C) dactylus with base produced dorsodistally; lateral and mesial to heel straight, heel broadly rounded and surfaces smooth; dorsal margin with short low, heel to tip with broad, evenly rounded simple and long plumose setae; ventral mar- indent, tip acute, tip to base smoothly convex gin with short simple setae. Merus with scat- to straight; lateral surface smooth, with sev- tered short transverse rows of setae on lateral eral small tufts of short setae in generally surface, dorsal and ventrodistal margins with straight line across medioproximal surface, long plumose setae; mesial surface with large dorsodistal margin with tufts of short setae; decalci®ed window proximoventrally. Basis- ventromesial margin with long plumose se- ischium incompletely fused and unarmed. tae, dorsal margin with short simple and plu- Coxa unarmed. mose setae; mesial surface smooth, with plu- Abdomen (®g. 76E) with somite I approx- mose setae proximally at junction with pro- imately as long as wide, widest posteriorly; podus. Propodus not in¯ated dorsoventrally; dorsal surface with anterior margin straight; lateral surface smooth, with long plumose se- posterior margin straight, with elevated sub- tae distally, simple setae on dorsal margin marginal row of short setae; small transverse and long plumose setae on ventral margin; decalci®ed windows laterad of segment me- dorsolateral
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