Studies On The Tetraclitidae Cirripedia Thoracica A Proposed New Genus For The Austral Species Tetraclita-Purpurascens-Breviscutum
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Tetraclita ehsani sp. n. (Cirripedia, Tetraclitidae), a common intertidal barnacle from the Gulf of Oman, Iran
A new species of intertidal acorn barnacle Tetraclita ehsanisp. n. was identified from the Iranian coast in the Gulf of Oman. Tetraclita ehsanisp. n. inhabits low exposed rocky shores and also attaches to shells of molluscs and the barnacle Megabalanus species. Parietes of Tetraclita ehsani ranged from white to pink which is different from Tetraclita serrata (in South African waters), which has...
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Two new species of pedunculate cirripede are described from the Plio-Pleistocene of Cotentin, northwest France. Scalpellum carentanensis sp. nov. is only the third species of this genus to be recorded from Pliocene strata in Europe. It is characterised by a triangular tergum with an apico-basal fold, without an outward extension, the inner surface of which has the raised part marked by wide gro...
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We describe a new species from the genus Trevathana Anderson, 1992, collected from the Cocos/Keeling Islands in the Indian Ocean. Trevathana noae sp. nov. is similar to other species of Trevathana by its external shell and opercular valve morphology. It is distinct from congeners in that the tergum has a distinct spur which lacks an internal tooth in adult specimens. A key to the known species ...
متن کاملinvestigating the feasibility of a proposed model for geometric design of deployable arch structures
deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...
Cryptic Diversity of the Tetraclita squamosa Complex (Crustacea: Cirripedia) in Asia: Description of a New Species from Singapore
Acorn barnacles of the genus Tetraclita are common space occupiers in the intertidal zone of rocky shores in tropical and subtropical waters (Newman and Ross 1976). In spite of their ecological importance, there is taxonomic confusion about these barnacles because of their high levels of morphological variation. Darwin (1854) considered T. squamosa to constitute a complex with 12 subspecies. Ov...
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ژورنال
عنوان ژورنال: Transactions of the San Diego Society of Natural History.
سال: 1970
ISSN: 0080-5947
DOI: 10.5962/bhl.part.15452