An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
ACCESSORY BORING ORGAN (= ABO; A.B.O.) |
[need definition]. Term coined by Mel Carriker. ![]() |
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ADPRESSED | [need definition]; see also: IMPRESSED; CHANNELED; SUTURE, ADPRESSED. |
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AMMONOTELIC | [need definition]; see also: URICOTELIC. |
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ANAL SINUS | [need definition]. See illustration: Composite Gastropod. |
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APERTURAL LIP, INNER | [need definition]. See illustration: Composite Gastropod. See also: APERTURAL LIP; OUTER APERTURAL LIP |
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APERTURAL LIP, OUTER | [need definition]. See illustration: Composite Gastropod. See also: APERTURAL LIP; INNER APERTURAL LIP. |
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ASCOGLOSSAN | [need definition]. Newer, preferred term for the old term: Sacoglossan. They have a UNISERIATE RADULA from which old teeth fall from the
RADULA RIBBON into an ASCUS SAC.
See also: SEA SLUG; NUDIBRANCH. Photo: Elysia chlorotica (Gould, 1870) |
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AVICULIFORM | [need definition]. |
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BRANCHIAL PLUME | [need definition]. In nudibranchs… See illustration: Composite Nudibranch. |
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BREVICONE | [need definition]; see also: CYRTOCONE; ORTHOCONE. |
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BUCCAL MASS | [need definition] |
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BYSSAL PLUG | [need definition] |
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CAPSA (pl. CAPSAE) |
[need definition] |
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CARDINAL PIT | [need definition] |
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CARDO | [need definition]; (see: Popov, 1980). |
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CHAETODERM | [need definition]. |
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CHAMBERED NAUTILUS | [need definition]. A CEPHALOPOD… ; see also: CONCAMERATIONS; PHRAGMOCONE; SIPHUNCLE. |
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CLADISTICS | [need definition]. See also: CLADOGRAM. See the Paleos website. |
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CLADOGRAM | [need definition]. See also: CLADISTICS. |
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COELOM | [need definition]. |
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COLUMELLA, STRAIGHT | [need definition]. |
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COLUMELLA, TRUNCATE | [need definition]. |
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COLUMELLAR PLAIT | [need definition]. See illustration: Composite Gastropod. |
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COLUMELLAR PLICAE | [need definition]. See illustration: Composite Gastropod. |
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COMMARGINAL | [need definition]. |
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COMMARGINAL RIB | [need definition]; see also: OVERRIDE. |
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CONCENTRIC SCULPTURE | [need definition]; see also: AXIAL SCULPTURE. |
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CRYSTALINE STYLE | [need definition]. In bivalves... |
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CTENODONT | [need definition]; see also: PSEUDOCTENODONT; PSEUDOTAXODONT. |
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CUTTLEFISH | [need definition]. A CEPHALOPOD… See also: BELOPTERA. |
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DETORSION | [need definition]. See also: TORSION. |
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DEVOLUTE | [need definition]; see also: LOOSELY COILED. |
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DIGESTIVE GLAND | [need definition]. |
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ENANTIOMORPH | [need definition]. |
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EULAMELLIBRANCH | A type of bivalve CTENIDIUM or gill in which [need definition]; see also: DIBRANCH; EULAMELLIBRANCH; FILIBRANCH; LAMELLIBRANCH; PROTOBRANCH; PSEUDOLAMELLIBRANCH; SEPTIBRANCH; TECTIBRANCH; TETRABRANCH. |
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EVOLUTE | [need definition]; see also: DEVOLUTE. |
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EVOLUTION | [need definition]; see also: EVOLUTION, CLANDESTINE; EVOLUTION, PROGRAMME. |
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EXHALANT SIPHON | [need definition]; see also: HYPONOME; INHALANT SIPHON. |
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EXTRA-BRANCHIAL APPENDAGE | [need definition]. In NUDIBRANCHS… See illustration: Composite Nudibranch. |
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FILIBRANCH | A type of bivalve CTENIDIUM or gill in which [need definition]. The Mytilacea, Pteriacea, Pectinacea, and Anomiacea have filibranch CTENIDIA. See also: DIBRANCH; EULAMELLIBRANCH; LAMELLIBRANCH; PROTOBRANCH; PSEUDOLAMELLIBRANCH; SEPTIBRANCH; TECTIBRANCH; TETRABRANCH. |
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GARSTANG'S THEORY | [need definition]; see also: TORSION. |
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GELOINA | [need definition]. |
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GENITAL PORE | [need definition]; = GENITAL OPENING; See labelled photo on www.jaxshells.org/eraj1.htm |
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GENUS (pl. GENERA) |
[need definition] |
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GIZZARD PLATES | [need definition]. |
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HAEMOCOEL | [need definition]. |
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HEART | [need definition]. |
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HETEROPOD | [need definition]; see also: PTEROPOD. |
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HORNY | [need definition]; see also: CHITINOUS. |
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HYPERSTROPHIC | [need definition]; see: ULTRADEXTRAL; see also: HETEROSTROPHIC. See other gastropod shapes. |
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INHALANT SIPHON | [need definition]; see also: EXHALANT SIPHON. |
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ISOSTROPHIC | Gastropod COILING coiling in which [need definition]. See other gastropod shapes. |
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JAW | [need definition]. |
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LABIAL PALPS | [need definition]. |
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LAMALLA, AXIAL | [need definition]. See illustration: Composite Gastropod. |
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LAMINAR TOOTH | [need definition]; used in describing Neaeromya (see: Abbott, 1974). |
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LECTOPARATYPE | [need definition]. See the publication: "Terminology of Types" by Frizzell. |
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LIMACIFORM | [need definition]; used by Abbott, 1974 (pg. 367) in description of Dendronotus. |
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LIP, FLARED | [need definition]. In the Strombidae… |
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LIP, REFLECTED | [need definition]. |
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MESOGASTROPOD | [need definition]. |
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MESOSTRACUM | [need definition]; (refers to some aspect of CHITONS) |
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METAMORPHOSIS | [need definition]. See also: NEPIONIC; POSTMETAMORPHIC; PREMETAMORPHIC. |
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MONOPHYLY | [need definition]. See also: PHYLOGENY; POLYPHYLY; PARAPHYLY. |
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MONOPLACOPHORAN | [need definition]. |
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MUSCLE SCAR, CRUCIFORM | [need definition]. |
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NECK | [need definition]. See illustration: Composite Gastropod. |
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NOMEN CONSERVANDUM | [need definition]. |
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NUDIBRANCH | [need definition]. See also: ASCOGLOSSAN; SEA SLUG. |
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ORTHOCONE | [need definition]; see also: CYRTOCONE; BREVICONE. |
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OUTER LIP | [need definition]. |
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OUTER LIP TOOTH | [need definition]. See: LABIAL TOOTH. See illustration: Composite Gastropod. |
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OVIDUCT | [need definition]. |
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PALATAL TOOTH | [need definition]. |
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PALLIAL CAVITY | [need definition]. |
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PAPILLAE, DORSAL | [need definition]. In NUDIBRANCHS… See illustration: Composite Nudibranch. |
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PARAPHYLY | [need definition]. See also: PHYLOGENY; POLYPHYLY; MONOPHYLY. |
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PARASITE | [need definition]. See also: COMMENSAL. |
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PARIETAL DENTICLE | [need definition]; present in some Polygyridae. |
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PECTINIFORM | [need definition]. Photo: Argopecten irradians concentricus (Say, 1822) |
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PERFOLIATE | [need definition]. |
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PERIOSTRACAL GROOVE | [need definition]. |
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PERIPHERY, WHORL | [need definition]. |
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POLYPHYLY | [need definition]. See also: PHYLOGENY; MONOPHYLY; PARAPHYLY. |
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PROBOSCIS COLUMN | [need definition]. |
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PROTOBRANCH | [need definition]. |
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PROVINCE, ALEUTIAN | [need definition]. See also: PROVINCE, (types). |
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PSEUDOCARDINAL | [need definition]. |
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PSEUDOCONCH | [need definition]; present in the Cymbulidae (Opisthobranchia: Thecosomata). |
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RADIAL CORD | [need definition]. See illustration: Composite Bivalve. |
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RADIOLITID | [need definition]. |
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RAMP, SUTURAL | [need definition]. See illustration: Composite Gastropod. |
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RAPHITOMA BICOLOR | [need definition]. |
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REFLEXED | [need definition]. See also: DEFLEXED; RECURVED. |
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RETRACTOR MUSCLE | [need definition]; see also: ADDUCTOR MUSCLE. |
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RIB, AXIAL | [need definition]. See illustration: Composite Gastropod. See also: SCLEROCHRONOLOGY; VARIX. |
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RIB, LONGITUDINAL | [need definition]. See illustration: Composite Gastropod. |
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RIDGE | [need definition]. |
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ROSTRUM | [need definition]. |
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SCALE | [need definition]. In CHITONS… See illustration: Composite Chiton. |
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SCAPHOPOD | A member of the class Scaphopoda, a group of molluscs made up of [need definition]. Also commonly called a TUSK SHELL. See also: CAPTACULA. See illustration at UCMP. |
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SEPTIBRANCH | [need definition]. |
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SHIELD, PARIETAL | [need definition]. See illustration: Composite Gastropod. |
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SIPHONAL NOTCH | [need definition]... See also: SIPHONOSTOMATE. |
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SIPHONAL SINUS | [need definition]; see also: BASAL FASCIOLE. |
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SLOPE, SUTURAL | [need definition]. See illustration: Composite Gastropod. |
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SPATHATE | [need definition]; (see description of Aequipecten glyptus in: Abbott, 1974.) |
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SPECIES | [need definition]; see also: SUBSPECIES; DIAGNOSIS. |
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SPECIMEN | [need definition]. |
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SPERM | [need definition]; see also: EUPYRENIC; OLIGOPYRENIC; SPERMATOPHORE. |
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SPERMATHECA | [need definition]. |
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SPIRAL CORD | [need definition]. See illustration: Composite Gastropod. |
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SPIRE | [need definition]. |
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SQUID | [need definition]. A CEPHALOPOD… see also: GIANT SQUID.
See the detailed web page on squid terminology, from the excellent "Cephalopod Glossary" by Richard E. Young, Michael Vecchione, and Katharina M. Mangold. |
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STRIA, AXIAL | [need definition]. See illustration: Composite Gastropod. |
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STRIA, SPIRAL | [need definition]. See also: CORD. See illustration: Composite Gastropod. |
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SUBELLIPTICAL | [need definition]. See other bivalve shapes. |
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SUBSPECIES | [need definition]; see also: FORM; SPECIES; VARIETY. |
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SUTURAL SINUS | [need definition]. |
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SUTURAL TUFT | [need definition]. In CHITONS… See illustration: Composite Chiton. |
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SUTURE, ADPRESSED | [need definition]; see also: SUTURE, IMPRESSED; SUTURE, CHANNELED. |
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SUTURE, CHANNELED | [need definition]. See illustration: Composite Gastropod. See also: SUTURE, ADPRESSED; SUTURE, IMPRESSED |
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SUTURE, CRENATE | [need definition]. See illustration: Composite Gastropod. |
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SUTURE, CRENULATE | [need definition]. |
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SUTURE, IMPRESSED | [need definition]; see also: SUTURE, ADPRESSED; SUTURE, CHANNELED. |
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SUTURE, INDENTED | [need definition]. |
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SUTURE, INDISTINCT | [need definition]. See illustration: Composite Gastropod. |
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SUTURE, STRONGLY INDENTED | [need definition]. |
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TENTACLE, ORAL | [need definition]. In nudibranchs… ; = LABIAL TENTACLE. See illustration: Composite Nudibranch. |
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TENTACULAR SHIELD | [need definition]; present in the TECTIBRANCHS and CEPHALASPIDS. |
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THREAD, SPIRAL | [need definition]. See illustration: Composite Gastropod. |
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TRANSPOSED HINGE TOOTH | [need definition]. See: TRANSPOSED HINGE. See: Van der Schalie, H. 1936. Transposed hinge teeth of North American naiades. Nautilus 49(3):79-84. |
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TYPE MATERIAL | [need definition]. See the publication: Frizzell, Donald Leslie. 1933. Terminology of Types. American Midland Naturalist 14(6):637-668. |
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UNILOCULAR | [need definition]; see also: LOCULAR; MULTILOCULAR. |
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VALVE, CENTRAL AREA | [need definition]. In CHITONS, … See illustration: Composite Chiton. |
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VALVE, LATERAL AREA | [need definition]. In CHITONS, … See illustration: Composite Chiton. |
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