Antarctic and Subantarctic Pycnogonida: Ammotheidae and by C. Allan Child PDF

By C. Allan Child

ISBN-10: 0875908446

ISBN-13: 9780875908441

ISBN-10: 1118668111

ISBN-13: 9781118668115

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Published by way of the yank Geophysical Union as a part of the Antarctic examine Series.

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Additional resources for Antarctic and Subantarctic Pycnogonida: Ammotheidae and Austrodecidae

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Proboscis greatly inflated, tapering to narrow lips. Chelifores small, chelae atrophied. Palps 9 segmented, w i t h glandular pore o n fourth segment. L e g s w i t h longitudinal bands o f tiny spinules, second tibia the longest segment. H e e l w i t h o n e short, 2 long spines, s o l e w i t h r o w o f stout short spines. Remarks. This species is characterized b y its massively inflated proboscis w h i c h is almost as long as the trunk, although neither the trunk nor the pro­ b o s c i s are very large in measurements.

Proboscis slender, l o n g , curved ventrally to about 9 0 ° , tapering to tiny mouth area. A b d o m e n short, inflated. Chelifore scape short, clubbed distally, chelae fully formed, fingers tonglike. Palp 9-segmented, distal 5 segments shorter than fourth segment w h i c h is slightly longer than second. Oviger strigilis w i t h fields o f very short setules. L e g s w i t h rows o f very short spinules mostly o n major segments. Propodus without differentiated heel spines, sole with field o f tiny spinules.

Proboscis l o n g , moderately slender, distally inflated from proximal cylinder. A b d o m e n slender, moderately long. Chelifores slen­ der, scape about half proboscis length, with l o w dorsodistal tubercle, chelae reduced, atrophied. Palps typical, 9-segmented. Oviger strigilis segments re- Copyright American Geophysical Union Antarctic Research Series Vol. 63 CHILD: A N T A R C T I C A N D S U B A N T A R C T I C P Y C N O G O N I D A duced in size more than usual in comparison with other species.

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Antarctic and Subantarctic Pycnogonida: Ammotheidae and Austrodecidae by C. Allan Child


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