Hemichordate (redirect from Hemichordata)
Hemichordata (/ˌhɛmikɔːrˈdeɪtə/ HEH-mee-kor-DAY-tə) is a phylum which consists of triploblastic, enterocoelomate, and bilaterally symmetrical marine deuterostome...
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Deuterostomia is further divided into 4 phyla: Chordata, Echinodermata, Hemichordata, and the extinct Vetulicolia known from Cambrian fossils. The extinct...
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pterobranchs, is a class of small worm-shaped animals. They belong to the Hemichordata, and live in secreted tubes on the ocean floor. Pterobranchia feed by...
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PMID 10781046. Biogeography and adaptations of torquaratorid acorn worms (Hemichordata: Enteropneusta) including two new species from the Canadian Arctic -...
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urchins, brittle stars, sea cucumbers, feather stars, sea lilies, etc.) Hemichordata (acorn worms, Pterobranchia, and possibly graptolites) (These together...
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Platyhelminthes, Nematoda, Annelida (segmented worms), Chaetognatha, Hemichordata, and Phoronida. For a list of marine animals that have been called "sea...
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conodonts are chordates, but their internal placement is less certain. Hemichordata (which includes the acorn worms) was previously considered a fourth chordate...
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Chordata. Hyman (1959), however, placed them near Echinodermata and gave Hemichordata a status of an independent phylum. Balanoglossus are burrowing, exclusively...
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differences between the two phyla. Among lesser phyla of invertebrates are the Hemichordata, or acorn worms, and the Chaetognatha, or arrow worms. Other phyla include...
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Paleobiota of the Burgess Shale (section Hemichordata)
Hemichordata Genus Class Abundance Notes Images Chaunograptus Graptolithina? 11 specimens This enigmatic hemichordate has been interpreted as a possible...
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pterobranchs, a rare group of modern marine animals belonging to the phylum Hemichordata. Comparisons are drawn with the modern hemichordates Cephalodiscus and...
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List of animal classes (section Hemichordata)
The following is a list of the classes in each phylum of the kingdom Animalia. There are 107 classes of animals in 33 phyla in this list. However, different...
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amphibians, reptiles, birds, and mammals. The deuterostomes also include the Hemichordata (acorn worms). The Ecdysozoa are protostomes, named after their shared...
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Xenacoelomorpha is basal Phylum Chordata Ambulacraria (unranked) Phylum Hemichordata Phylum Echinodermata Phylum Cambroernida † Phylum Saccorhytida? † Cycloneuralia...
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deep-sea hemichordates. Nature 434: 374-376}) is a family of acorn worms (Hemichordata) that lives in deep waters between 350 and 4000 meters (the species Tergivelum...
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Moltrasio Formation (section Hemichordata)
The Moltrasio Formation also known as the Lombardische Kieselkalk Formation is a geological formation in Italy and Switzerland. This Formation mostly developed...
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List of bilaterian orders (section Phylum Hemichordata)
Bilateria is an extremely diverse group of animals containing a vast majority of its species, largely due to the enormous amount of arthropods. This article...
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Chaetognatha Bryozoa Mollusca Annelida Brachiopoda Phoronida Echinodermata Hemichordata Chordata In some protostomes, the embryonic blastocoele persists as a...
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Holland, Nicholas D. (2012). "Observations on torquaratorid acorn worms (Hemichordata, Enteropneusta) from the North Atlantic with descriptions of a new genus...
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for advancing the understanding of the early evolution of the phylum Hemichordata. Its discovery has been hailed as a "breakthrough" due to featuring both...
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of Xenambulacrarians Various Acoelomorpha (nemertodermatids). Various Hemichordata (enteropneusts). Various Echinodermata from all extant classes. Bourlat...
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Rhombozoa Acoelomorpha Chaetognatha Superphylum Deuterostomia Chordata Hemichordata Echinodermata Xenoturbellida Vetulicolia † Protostomia (unranked) Superphylum...
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"Form and feeding mechanism of a living Planctosphaera pelagica (phylum Hemichordata)". Marine Biology. 120 (4): 521–533. Bibcode:1994MarBi.120..521H. doi:10...
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Annelida Phylum Arthropoda Subgrade Enterocoela Phylum Brachiata or Pogonophora Phylum Chaetognatha Phylum Echinodermata Phylum Hemichordata Phylum Chordata...
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and development and structure of the larva of Rhabdopleura normani (Hemichordata: Pterobranchia)". Acta Zoologica. 69 (2): 95–109. doi:10.1111/j.1463-6395...
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Waukesha Biota (section Hemichordata)
Hemichordata Genus Phylum Higher taxon Abundance Notes Images Desmograptus Hemichordata Graptolithina A graptolite of the order Dendroidea that is characterized...
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Deland, C.; Bullock, T. H. (2010). "A revision of the genus Saccoglossus (Hemichordata: Enteropneusta: Harrimaniidae) with taxonomic descriptions of five new...
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A tornaria is the planktonic larva of some species of Hemichordata such as the acorn worms. It is very similar in appearance to the bipinnaria larvae of...
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vitellaria, brachiollaria, pluteus, ophiopluteus, echinopluteus, auricularia Hemichordata tornaria Urochordata tadpole (does not feed, technically a "swimming...
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