File:American malacological bulletin (1988) (17968426688).jpg

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Description
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Title: American malacological bulletin
Identifier: americanmal6719881990amer (find matches)
Year: 1983 (1980s)
Authors: American Malacological Union
Subjects: Mollusks; Mollusks
Publisher: (Hattiesburg, Miss. ?) : (American Malacological Union)
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Biodiversity Heritage Library

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Text Appearing Before Image:
Figs. 135-142. Choneplax lata (Guilding, 1829). Valves i-viii ex 6.7 mm juvenile; West End, Grand Bahama; FSBC I 32548. expanded anteriorly; jugum indistinct on valves of small specimens. Tegmentum of all valves covered evenly with coarse, spatulate pustules (Fig. 134) approximately 90 long, 50 /*m wide, generally flattened but with raised, central dome and adapical macresthete, few or no micresthetes. Girdle upper surface covered with small (100 /xm), densely packed, club-shaped spicules; anterior and sutural tufts poorly developed, comprised of about 18-22 short (to 1.0 mm), stout, smooth, sharp-tipped, reddish brown or some- times white spicules; marginal spicules 500 long, smooth, straight or slightly curved, white, rarely reddish brown; under- side covered with small (100 /xrm), straight, sharp-tipped, clear spicules. DISCUSSION: Choneplax lata is distinguished from all species of Acanthochitona by lacking slits on the posterior margin of valve viii (Figs. 143-145). Kaas (1972) and Ferreira (1985) discussed uncertainty regarding the number of slits on valve i and intermediate valves. The three specimens I dissected (6.7-30.0 mm) each had 5 distinct slits on valve i, not 3 as reported by Pilsbry (1893), and single, notch-like slits on intermediate valves. Based on the 5-slitted valve i, Choneplax is more similar to Acanthochitona than to Crypto- plax, which has 3 slits; however, Choneplax shares the unslit tail valve with Cryptoplax. Chiton strigatus Sowerby, 1840, has long been
Text Appearing After Image:
144 145 Figs. 143-145. Choneplax lata (Guilding, 1829). Valves viii, ventral views. Fig. 143. 6.7 mm specimen, same as Fig. 142 (specimen crack- ed during handling). Fig. 144. 13.0 mm specimen, same as Fig. 132. Fig. 145. Ex approximately 30.0 mm specimen (curled); West End, Grand Bahama; FSBC I 32546.

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https://www.flickr.com/photos/internetarchivebookimages/17968426688/

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Volume
InfoField
1988
Flickr tags
InfoField
  • bookid:americanmal6719881990amer
  • bookyear:1983
  • bookdecade:1980
  • bookcentury:1900
  • bookauthor:American_Malacological_Union
  • booksubject:Mollusks
  • bookpublisher:_Hattiesburg_Miss_American_Malacological_Union_
  • bookcontributor:Smithsonian_Libraries
  • booksponsor:Biodiversity_Heritage_Library
  • bookleafnumber:117
  • bookcollection:biodiversity
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
27 May 2015

Licensing[edit]

Public domain
This work is in the public domain because it was published in the United States between 1978 and March 1, 1989 without a copyright notice, and its copyright was not subsequently registered with the U.S. Copyright Office within 5 years. Unless its author has been dead for several years, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macau), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See this page for further explanation.

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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/17968426688. It was reviewed on 17 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

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