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Knobbed Whelk (Busycon carica) ... While both the knobbed whelk and the lightning whelk have knobs on the edge of each whorl, the knobbed whelks on Assateague beach can be distinguished from the lightning whelks mainly by their right-sided openings (most gastropods are "right-sided") and their slightly larger knobs.
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www.assateague.com/knob.html
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Knobbed Whelk Printout. The Knobbed Whelk is a gastropod, a soft-bodied invertebrate that is protected by a spiral shell. ... The Knobbed Whelk (Busycon carica) is a gastropod, a soft-bodied invertebrate (animal without a backbone) that is protected by a very hard shell. This mollusk is found in shallow waters of the...
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www.enchantedlearning.com/subjects/invertebrates/mollus...
www.enchantedlearning.com/subjects/invertebrates/mollusk/gastropod/Knobbedwhelk.shtml
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The Knobbed Whelk, Busycon carica was described by Gmelin in 1791. It is one of approximately fourteen recognized species (depending on how you fell about subspecies and forms) of the subfamily Bucyconinae, in the family Melongenidae.
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amylyne.myweb.uga.edu/GSC/whelk.html
amylyne.myweb.uga.edu/GSC/whelk.html
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Knobbed Whelk; Busycon carica; Contributor: William D. Anderson; DESCRIPTION; Taxonomy and Basic Description; First described by Gmelin in 1791, the knobbed whelk, Busycon carica, is a member of the family Melongenidae.
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www.dnr.sc.gov/cwcs/pdf/Knobbedwhelk.pdf
www.dnr.sc.gov/cwcs/pdf/Knobbedwhelk.pdf
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The state shell is the knobbed whelk, (Busycon carica gmelin), having been so designated by Chapter 89 of the Public Laws of 1995, signed by Governor Christine Todd Whitman April 13, 1995. Commonly known as the conch shell, the shell of the knobbed whelk is large, solid and pear-shaped, coiling from left to right,
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www.state.nj.us/njfacts/shell.htm
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Knobbed Whelks, Channeled Whelks, Lightning Whelks. Living and shells only. Egg cases and aquarium photos. ... Knobbed Whelk Shell and Live Channeled Whelk...
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www.okeefes.org/Whelks/Whelks.htm
www.okeefes.org/Whelks/Whelks.htm
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The Knobbed Whelk shell grows with six clockwise twists, or coils. The aperture (opening) of the mollusk is on the right side as you look down at it. This configuration is referred to as dextral. The adult shell may reach a length of 9 inches, and is very sturdy.
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www.mitchellspublications.com/guides/shells/articles/00...
www.mitchellspublications.com/guides/shells/articles/0024/
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Knobbed Whelk (Busycon carica); SHELL LENGTH: Approximately 8 inches (20.32 cm); ... The Knobbed Whelk, Georgia's state shell, is the most common whelk characterized by the knobs on the spire, opening on right, and an orange aperture. Whelks and their egg cases are common on southeastern beaches.
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oceanica.cofc.edu/shellguide/shells/knobbedwhelk.htm
oceanica.cofc.edu/shellguide/shells/knobbedwhelk.htm
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We also employ bc2.2 to estimate near-conception sex ratio in whelk embryos, where gender is indeterminable by visual inspection. ... Knobbed whelks were thought to be sequential hermaphrodites, but our evidence for genetic dioecy supports an earlier hypothesis that whelks are pseudohermaphroditic (falsely appear to...
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www.medscape.com/medline/abstract/15156923
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