Bivalvia
klass

Bivalvia Linnaeus, 1758

Karbid

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Taksoni iseloomustus

Karpide ehitus ja põhiterminid.

Karbid on vees elutsevad, kahest poolmest koosneva lubikojaga ja lameda kehaga limused. Karpidel ei ole eristunud pead ega lõugu. Külgedelt piiravad keha kaks nahakurdu (mantlikurrud), mis eritavad koja. Neil on 2 paari liistaklõpuseid ja liikumiselundina talitlev tugev lihaseline jätke - jalg. Kojapoolmeid ühendavad selgimiselt tugevad sulgurlihased ning enamasti ka hambakestest ja süvenditest koosnev lukk. Karpide kivistisi võib leida juba Kambriumi ladestust, väga levinud on nad aga Kesk- ja Uusaegkonna settekivimeis.

Valik taksonit käsitlevast teaduskirjandusest
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Křiž, J. 2008. A new bivalve community from the lower Ludlow of the Prague Basin (Perunica, Bohemia). Bulletin of Geosciences 83, 3, 237-280. DOI:10.3140/bull.geosci.2008.03.237
Hinz-Schallreuter, I. 1995. Middle Cambrian Bivalvia from Bornholm and a review of Cambrian bivalved Mollusca. Geschiebekunde aktuell 11, 3, 71-85.
Isakar, M., Sinicyna, I. 1993. A new species Megalomoidea walliseri (Bivalvia) from the Silurian of Estonia. Proceedings of the Estonian Academy of Sciences. Geology 42, 3, 124-126. DOI:10.3176/geol.1993.3.04
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Isakar, M. 1990. Bivalvia and Gastropoda.Field Meeting Estonia 1990. An Excursion Guidebook , pp. 64-65. Estonia Academy of Sciences.
Liljedahl, L. 1989. Fylgia baltica gen. et sp. nov. (Bivalvia, Mollusca) from the Silurian of Gotland. GFF 111, 4, 339-345. DOI:10.1080/11035898909453132
Isakar, M., Sinicyna, I. 1985. Redescription of E. Eichwald's Ordovician bivalve species. Eesti NSV Teaduste Akadeemia Toimetised. Geoloogia / Известия Академии наук Эстонской ССР. Геология 34, 2, 46-54. DOI:10.3176/geol.1985.2.02
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