Pterobranchia
| Pterobranchia | |
|---|---|
| Klasifikasi ilmiah | |
| Kerajaan: | Animalia |
| Filum: | Hemichordata |
| Kelas: | Pterobranchia Lank. 1877 |
| Ordo | |
Pterobranchia adalah klad hewan berbentuk-cacing kecil. Mereka termasuk dalam Hemichordata, dan hidup dalam tabung disekresikan di dasar laut. Pterobranchia makan dengan menyaring plankton dari air dengan bantuan silia yang melekat pada tentakel. Ada sekitar 30 spesies hidup yang diketahui dalam kelompok.
Taksonomi
Kelas ini kecil, dengan hanya tiga familia diketahui, setiap familia berisi satu genus.
Kelas Pterobranchia
- Ordo Cephalodiscida
- Famili Atubaridae
- Genus Atubaria
- Spesies Atubaria heterolopha Sato, 1935
- Genus Atubaria
- Famili Cephalodiscidae
- Genus Cephalodiscus
- Cephalodiscus agglutinans Harmer & Ridewood, 1914
- Cephalodiscus atlanticus Bayer, 1962
- Cephalodiscus australiensis author unknown
- Cephalodiscus calciformis Emig, 1977
- Cephalodiscus densus Andersson 1907
- Cephalodiscus dodecalophus McIntosh 1882
- Cephalodiscus evansi Ridewood
- Cephalodiscus fumosus John, 1932
- Cephalodiscus gilchristi Ridewood, 1908
- Cephalodiscus gracilis Harmer 1905
- Cephalodiscus graptolitoides Dilly 1993
- Cephalodiscus hodgsoni Ridewood, 1907
- Cephalodiscus indicus Schepotieff 1909
- Cephalodiscus kempi John, 1932
- Cephalodiscus levinsoni Harmer
- Cephalodiscus nigrescens Lankester, 1905
- Cephalodiscus sibogae Harmer 1905
- Cephalodiscus solidus Andersson, 1907
- Genus Cephalodiscus
- Famili Atubaridae
- Ordo Rhabdopleurida
- Famili Rhabdopleuridae
- Genus Rhabdopleura
- Rhabdopleura annulata Norman, 1921
- Rhabdopleura compacta Hincks, 1880
- Rhabdopleura grimaldi Julien
- Rhabdopleura manubialis Julien 1903
- Rhabdopleura normani Allmann, 1869
- Rhabdopleura striata Schepotieff, 1909
- Genus Rhabdopleura
- Famili Rhabdopleuridae
Evolusi
Pterobranchia paling awal, termasuk Yuknessia dan Galeaplumosus, diketahui dari Lagerstatten Kambrium Tengah.[1][2]
Catatan kaki
- ^ Hou, X. G.; Aldridge, R. J.; Siveter, D. J.; Siveter, D. J.; Williams, M.; Zalasiewicz, J.; Ma, X. Y. (2011). "An Early Cambrian Hemichordate Zooid". Current Biology. 21 (7): 612. doi:10.1016/j.cub.2011.03.005.
- ^ Loduca, S. T.; Caron, J. B.; Schiffbauer, J. D.; Xiao, S.; Kramer, A. (2015). "A reexamination of Yuknessia from the Cambrian of British Columbia and Utah". Journal of Paleontology. 89: 82. doi:10.1017/jpa.2014.7.
Referensi
- Halanych KM. (1995). "The Phylogenetic Position of the Pterobranch Hemichordates Based on 18S rDNA Sequence Data". Molecular phylogenetics and Evolution. 4 (1): 72–76. doi:10.1006/mpev.1995.1007. PMID 7620637.
Artikel ini menyertakan teks dari suatu terbitan yang sekarang berada pada ranah publik: Chisholm, Hugh, ed. (1911). "perlu nama artikel ". Encyclopædia Britannica (Edisi 11). Cambridge University Press. ; - Cameron, C. B. Classification of the extant hemichordata
- At Billie Swalla's site
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