132 1 2013 wileyon linelibr invertebrate biology€¦ · 38–45 morphological diversity of setae...
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Invertebrate Biology
VOLUME 132 | NUMBER 1 | 2013
An international journal of the American Microscopical Society
and the Division of Invertebrate Zoology/SICB
VOLU
ME
132 |NUM
BER
1|
2013
Invertebrate BiologyVOLUME 132 | NUMBER 1 | 2013
CONTENTS
1–13 The triradiate sucking pharynx in animal phylogenyClaus Nielsen
14–26 Neural correlates of settlement in veliger larvae of the gastropod, Crepidula fornicataJacob R. Penniman, Margaret K. Doll, and Anthony Pires
27–37 Androdioecy and hermaphroditism in five species of clam shrimps (Crustacea: Branchiopoda:Spinicaudata) from India and Thailand
Justin S. Brantner, Donald W. Ott, R. Joel Duff, La-orsri Sanoamuang, Gulli Palli Simhachalam, K. K. Subhash Babu, and
Stephen C. Weeks
38–45 Morphological diversity of setae on the second maxilliped of fiddler crabs (Decapoda: Ocypodidae)from the southwestern Atlantic coast
Karine Delevati Colpo and Maria Lucia Negreiros-Fransozo
46–51 Population dynamics of a threatened giant millipede: implications for restorationJames M. Lawrence, Michael J. Samways, Janine A. Kelly, and Jock Henwood
52–61 Inverted sand dollars actively orient themselves in flow to increase likelihood of rightingAdam R. Hardy and Rachel A. Merz
62–68 The anus as a second mouth: anal suspension feeding by an oral deposit-feeding sea cucumberWilliam. B. Jaeckle and Richard. R. Strathmann
69–80 Growing or reproducing in a temperate sea: optimization of resource allocation in a colonial ascidianSusanna López-Legentil, Patrick M. Erwin, Marta Velasco, and Xavier Turon
COVER ILLUSTRATION Effective monitoring and conservation of animal populations requires knowledge of their dynamics, but these long time-series dataare relatively rare in the literature, especially for threatened invertebrates. In this issue (pp. 46–51), Lawrence, Samways, Kelly, andHenwood describe a long time-series study of the population dynamics of the Seychelles Giant Millipede, Sechelleptus seychellarum, a large (the specimens pictured on the cover are ~20 cm in length) millipede endemic to granitic islands of theSeychelles. For 11 years, they monitored populations of this species on Cousine Island, the only Seychelles granitic island that isfree of potentially predatory invasive mammals. Millipedes were most abundant and active during high rainfall months, leadingthe authors to suggest that any population manipulations (e.g., translocations, augmentations) should be done during this season.In addition, they suggest that control efforts for the invasive African big-headed ant, which involve the use of a pesticide that mayaffect millipedes, should be confined to low rainfall months, when millipede activity is at its lowest. (Image by James Lawrence.)
ISSN (Print): 1077-8306ISSN (online): 1744-7410
InvertebrateBiolog
y
wileyonlinelibrary.com/journal/ivb
ivb_132_1_oc_OC.qxd 3/5/2013 12:05 PM Page 1
Invertebrate Biology
VOLUME 132 | NUMBER 1 | 2013
An international journal of the American Microscopical Society
and the Division of Invertebrate Zoology/SICB
VOLU
ME
132 |NUM
BER
1|
2013
Invertebrate BiologyVOLUME 132 | NUMBER 1 | 2013
CONTENTS
1–13 The triradiate sucking pharynx in animal phylogenyClaus Nielsen
14–26 Neural correlates of settlement in veliger larvae of the gastropod, Crepidula fornicataJacob R. Penniman, Margaret K. Doll, and Anthony Pires
27–37 Androdioecy and hermaphroditism in five species of clam shrimps (Crustacea: Branchiopoda:Spinicaudata) from India and Thailand
Justin S. Brantner, Donald W. Ott, R. Joel Duff, La-orsri Sanoamuang, Gulli Palli Simhachalam, K. K. Subhash Babu, and
Stephen C. Weeks
38–45 Morphological diversity of setae on the second maxilliped of fiddler crabs (Decapoda: Ocypodidae)from the southwestern Atlantic coast
Karine Delevati Colpo and Maria Lucia Negreiros-Fransozo
46–51 Population dynamics of a threatened giant millipede: implications for restorationJames M. Lawrence, Michael J. Samways, Janine A. Kelly, and Jock Henwood
52–61 Inverted sand dollars actively orient themselves in flow to increase likelihood of rightingAdam R. Hardy and Rachel A. Merz
62–68 The anus as a second mouth: anal suspension feeding by an oral deposit-feeding sea cucumberWilliam. B. Jaeckle and Richard. R. Strathmann
69–80 Growing or reproducing in a temperate sea: optimization of resource allocation in a colonial ascidianSusanna López-Legentil, Patrick M. Erwin, Marta Velasco, and Xavier Turon
COVER ILLUSTRATION Effective monitoring and conservation of animal populations requires knowledge of their dynamics, but these long time-series dataare relatively rare in the literature, especially for threatened invertebrates. In this issue (pp. 46–51), Lawrence, Samways, Kelly, andHenwood describe a long time-series study of the population dynamics of the Seychelles Giant Millipede, Sechelleptus seychellarum, a large (the specimens pictured on the cover are ~20 cm in length) millipede endemic to granitic islands of theSeychelles. For 11 years, they monitored populations of this species on Cousine Island, the only Seychelles granitic island that isfree of potentially predatory invasive mammals. Millipedes were most abundant and active during high rainfall months, leadingthe authors to suggest that any population manipulations (e.g., translocations, augmentations) should be done during this season.In addition, they suggest that control efforts for the invasive African big-headed ant, which involve the use of a pesticide that mayaffect millipedes, should be confined to low rainfall months, when millipede activity is at its lowest. (Image by James Lawrence.)
ISSN (Print): 1077-8306ISSN (online): 1744-7410
InvertebrateBiolog
y
wileyonlinelibrary.com/journal/ivb
ivb_132_1_oc_OC.qxd 3/5/2013 12:05 PM Page 1