Arenophilic mantle glands in the Laternulidae (Bivalvia: Anomalodesmata) and their evolutionary significance

Sartori, A. F. and Passos, F. D. and Domaneschi, O. (2006) Arenophilic mantle glands in the Laternulidae (Bivalvia: Anomalodesmata) and their evolutionary significance. Acta Zoologica, 87 (4). pp. 265-272. ISSN 0001-7272 Online ISSN: 1463-6395 DOI 10.1111/j.1463-6395.2006.00240.x

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Abstract

The mantle margins of several anomalodesmatans bear multicellular arenophilic glands, the mucoid secretions of which attach sand grains and other foreign particles to the outer surface of the periostracum. These glands have been recorded for many of the anomalodesmatan families and are used as a key morphological character in recent attempts to unravel the evolutionary relationships within the Anomalodesmata. The glands occur in Laternula elliptica, L. truncata, L. boschasina and L. marilina, discharging from the top of muscular papillae at the distal tip of the siphons. The secretions are laid down as threads organized in longitudinal lines along the length of the periostracum that covers the siphonal walls. This is the first record of arenophilic mantle glands in members of the Laternulidae, a finding that not only broadens our current knowledge of the family's morphology, but assists in the reconstruction of anomalodesmatan evolutionary history.

Item Type: Article
Uncontrolled Keywords: 2006 AREP IA51 IA52 2006 P
Subjects: 04 - Palaeobiology
Divisions: 04 - Palaeobiology
Journal or Publication Title: Acta Zoologica
Volume: 87
Page Range: pp. 265-272
Identification Number: 10.1111/j.1463-6395.2006.00240.x
Depositing User: Sarah Humbert
Date Deposited: 16 Feb 2009 13:03
Last Modified: 23 Jul 2013 10:08
URI: http://eprints.esc.cam.ac.uk/id/eprint/655

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