WebLophotrochozoa was defined in 1995 as the "last common ancestor of the three traditional lophophorate taxa (brachiopods, bryozoans, and phoronid worms), the mollusks and the annelids, and all of the descendants of that common ancestor". It is a cladistic definition (a node-based name), so the affiliation to Lophotrochozoa of spiralian groups not …

WebEcdysozoa (/ ˌ ɛ k d ɪ s oʊ ˈ z oʊ ə /) is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), Nematoda, and several smaller phyla.They were first defined by Aguinaldo et al. in 1997, based mainly on phylogenetic trees constructed using 18S ribosomal RNA genes. A large study in 2008 by Dunn et al. …

WebDie Egel (Hirudinea), von althochdeutsch ëgala, „Egel, Blutegel“, wie „Igel“ möglicherweise zu einer indogermanischen Wurzel egh-für „stechen“, vermutlich wegen der lanzettförmigen Gestalt, sind eine der beiden Unterklassen der Gürtelwürmer (Clitellata), die ihrerseits zu den Ringelwürmern gehören. Sie umfassen rund 300 Arten, von denen die meisten im …

WebNo confundir con Branchiopoda, una clase de crustáceos.. Los braquiópodos (Brachiopoda, del griego brakhýs, "corto" y podós, "pie") son un filo de animales marinos pertenecientes al clado de los lofoforados.Aunque se han descrito más de 16 000 especies fósiles, solo existen unas 335 especies actuales. [2] Aparecen en el registro fósil desde …

Web前口動物（ぜんこうどうぶつ、学名：Protostomia、英: Protostome ）は、初期胚に形成された原口がそのまま口となって発生する動物。 原口動物・先口動物・旧口動物（きゅうこうどうぶつ）ともいう。後口動物に対立する。

WebArtropoda adalah filum yang paling besar dalam dunia hewan dan mencakup serangga, laba-laba, udang, lipan, dan hewan sejenis lainnya.Artropoda biasa ditemukan di laut, air tawar, darat, dan lingkungan udara, termasuk berbagai bentuk simbiosis dan parasit. Kata artropoda berasal dari bahasa Yunani ἄρθρον árthron, "ruas, buku, atau segmen", dan …

WebLimax maximus (literally, "biggest slug"), known by the common names great grey slug and leopard slug, is a species of slug in the family Limacidae, the keeled slugs. It is among the largest keeled slugs, Limax cinereoniger being the largest. Limax maximus is the type species of the genus Limax.The adult slug measures 10–20 cm (4–8 in) in length and is …

WebModern taxonomy agrees with the first of these propositions, but not the second, classifying molluscs, brachiopods and annelids as three separate phyla within the superphylum Lophotrochozoa. Helen Muir-Wood has given an account of the history of the classification of the brachiopods that places Morse's work in its historical context.

WebAnimalia, Animal ou Metazoa [1] é um reino biológico composto por seres vivos pluricelulares, eucariontes, heterotróficos, cujas células formam tecidos biológicos, com capacidade de responder ao ambiente (possuem tecido nervoso) que os envolve ou, por outras palavras, pelos animais. [2]A maioria dos animais possui um plano corporal que …

WebDie Armfüßer (Brachiopoda) oder Armfüßler, seltener auch Armkiemer genannt, sind die Angehörigen eines Tierstamms, der ausschließlich aus meereslebenden bilateral-symmetrischen Tieren mit zweiklappigem Gehäuse besteht. Sie ernähren sich von Kleinstlebewesen und ähneln äußerlich den Muscheln (Bivalvia), haben aber anstatt …