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2 days ago · A chordate (/ ˈkɔːrdeɪt / KOR-dayt) is a deuterostomic bilaterial animal belonging to the phylum Chordata (/ kɔːrˈdeɪtə / kor-DAY-tə). All chordates possess, at some point during their larval or adult stages, five distinctive physical characteristics (synapomorphies) that distinguish them from other taxa.
3 days ago · Vertebrata adalah jenis hewan subfilum dari Chordata yang mencakup semua hewan yang memiliki tulang belakang. Vertebrata merupakan subfilum terbesar dari Chordata. Semua jenis ikan, amfibia, reptil, burung, serta hewan menyusui (mamalia) dapat dimasukkan ke dalam vertebrata, kecuali belut, remang, dan lintah laut. [89]
Oct 2, 2024 · The phylum Chordata represents a diverse and highly organized group of animals that share four key anatomical features at some stage of their life cycle. These features include the notochord, a dorsal nerve cord, pharyngeal slits, and a post-anal tail. Though these characteristics may not all persist into adulthood, they are crucial during ...
Oct 12, 2024 · Kowalevsky discovered the chordate nature of the ascidian tadpole larva in 1866; the Ascidiacea were then reclassified as chordates rather than as molluscs (Raff and Love, 2004). Following Lahille (1886), the class Ascidiacea is now divided into three orders based on the structure of the adult branchial sac: Aplousobranchia (colonial), Phlebobranchia and Stolidobranchia.
3 days ago · The geographical range of the Indonesia coelacanth, Latimeria menadoensis, is believed to be off the coast of Manado Tua Island, Sulawesi, Indonesia, in the Celebes Sea. [60] Key components confining coelacanths to these areas are food and temperature restrictions, as well as ecological requirements such as caves and crevices that are well-suited for drift feeding. [ 61 ]
Oct 7, 2024 · Brown FD, Prendergast A, Swalla BJ (2008) Man is but a worm: chordate origin. Genesis 46: 605-613; Cameron CB, Deland C, Bullock TH (2010) A revision of the genus Saccoglossus (Hemichordata: Enteropneusta: Harrimaniidae) with taxonomic descriptions of five new species from the Eastern Pacific. Zootaxa 2483: 1-22
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Oct 12, 2024 · Squamates are a monophyleticsister groupto the rhynchocephalians, members of the order Rhynchocephalia. The only surviving member of the Rhynchocephalia is the tuatara. Squamata and Rhynchocephalia form the subclassLepidosauria, which is the sister group to the Archosauria, the cladethat contains crocodiles and birds, and their extinct relatives.
