For a type of cell projection, see Pseudopod. For an explanation of very similar terms, see Panarthropoda. For Lobopoda, a genus of beetles, see Lobopoda.
Lobopodia
Temporal range: Cambrian Series 2–Early Pennsylvanian[1]
PreꞒ
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O
S
D
C
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Descendant taxa Onychophora, Tardigrada, and Euarthropoda survive to Recent, possible Ediacaran ichnofossils[2]
† Pambdelurion and † Kerygmachelidae (excluded in some usages)
Onychophora (in some usages)
Tardigrada (in some usages)
Arthropoda (in some usages)
Cladistically included but traditionally excluded taxa
Crown-group Euarthropoda
Synonyms
Lobopoda Cavalier-Smith (1998)
Lobopodians are members of the informal group Lobopodia[3] (from the Greek, meaning "blunt feet"), or the formally erected phylum Lobopoda Cavalier-Smith (1998).[4] They are panarthropods with stubby legs called lobopods,[5] a term which may also be used as a common name of this group as well.[6][7] While the definition of lobopodians may differ between literatures,[8] it usually refers to a group of soft-bodied, marine worm-like fossil panarthropods such as Aysheaia and Hallucigenia.[9][5][10]
The oldest near-complete fossil lobopodians date to the Lower Cambrian; some are also known from Ordovician, Silurian and Carboniferous Lagerstätten.[11][12][13] Some bear toughened claws, plates or spines, which are commonly preserved as carbonaceous or mineralized microfossils in Cambrian strata.[14][15] The grouping is considered to be paraphyletic, as the three living panarthropod groups (Arthropoda, Tardigrada and Onychophora) are thought to have evolved from lobopodian ancestors.
^Haug, J.T.; Mayer, G.; Haug, C.; Briggs, D.E.G. (2012). "A Carboniferous non-Onychophoran Lobopodian reveals long-term survival of a Cambrian morphotype". Current Biology. 22 (18): 1673–1675. doi:10.1016/j.cub.2012.06.066. PMID 22885062.
^Xiao, Shuhai; Chen, Zhe; Pang, Ke; Zhou, Chuanming; Yuan, Xunlai (January 2021). "The Shibantan Lagerstätte: insights into the Proterozoic–Phanerozoic transition". Journal of the Geological Society. 178 (1). doi:10.1144/jgs2020-135. ISSN 0016-7649.
^Snodgrass, R.E. (1938). "Evolution of the Annelida, Onychophora, and Arthropoda". Smithsonian Miscellaneous Collections. 97 (6): 1–159.
^Cavalier-Smith, T. (1998). "A revised six-kingdom system of life". Biological Reviews. 73 (3): 203–266. doi:10.1017/S0006323198005167 (inactive 2024-04-26). PMID 9809012.{{cite journal}}: CS1 maint: DOI inactive as of April 2024 (link)
^ abOrtega-Hernández, Javier (2015-10-05). "Lobopodians". Current Biology. 25 (19): R873–R875. doi:10.1016/j.cub.2015.07.028. ISSN 0960-9822. PMID 26439350.
^Budd, Graham; Peel, John (1998-12-01). "A new Xenusiid lobopod from the early Cambrian Sirius Passet fauna of North Greenland". Palaeontology. 41: 1201–1213.
^Cite error: The named reference Liu2006 was invoked but never defined (see the help page).
^Cite error: The named reference :8 was invoked but never defined (see the help page).
^Liu, Jianni; Dunlop, Jason A. (2014-03-15). "Cambrian lobopodians: A review of recent progress in our understanding of their morphology and evolution". Palaeogeography, Palaeoclimatology, Palaeoecology. 398: 4–15. Bibcode:2014PPP...398....4L. doi:10.1016/j.palaeo.2013.06.008. ISSN 0031-0182.
^Cite error: The named reference :13 was invoked but never defined (see the help page).
^Haug, J.T.; Mayer, G.; Haug, C.; Briggs, D.E.G. (2012). "A Carboniferous non-Onychophoran Lobopodian reveals long-term survival of a Cambrian morphotype". Current Biology. 22 (18): 1673–1675. doi:10.1016/j.cub.2012.06.066. PMID 22885062.
^Caron, J.-B.; Smith, M.R.; Harvey, T.H.P. (2013). "Beyond the Burgess Shale: Cambrian microfossils track the rise and fall of hallucigeniid lobopodians". Proceedings of the Royal Society B: Biological Sciences. 280 (1767): 20131613. doi:10.1098/rspb.2013.1613. PMC 3735267. PMID 23902914.
^Topper, T.P.; Skovsted, C.B.; Peel, J.S.; Harper, D.A.T. (2013). "Moulting in the lobopodian Onychodictyon from the lower Cambrian of Greenland". Lethaia. 46 (4): 490–495. doi:10.1111/let.12026.
Lobopodians are members of the informal group Lobopodia (from the Greek, meaning "blunt feet"), or the formally erected phylum Lobopoda Cavalier-Smith...
are slender, thread-like, and are supported largely by microfilaments. Lobopodia are bulbous and amoebic. Reticulopodia are complex structures bearing...
Panarthropods also include extinct marine legged worms known as lobopodians ("Lobopodia"), a paraphyletic group where the last common ancestor and basal members...
other parts of the world. Microdictyon is part of the ill-defined taxon – Lobopodia – that includes several other odd worm-like animals that resembling worm...
This is a list of fossils found at Maotianshan Shales, whose most famous assemblage of organisms are referred to as the Chengjiang biota. 80 species, not...
List of bilateral animal orders contains the Bilateria of the animal subkingdom Eumetazoa, divided into four superphyla, Deuterostomia, and the three Protostome...
Hallucigeniidae is a family of extinct worms belonging to the group Lobopodia that originated during the Cambrian explosion. It is based on the species...
The Spence Shale is the middle member of the Langston Formation in southeastern Idaho and northeastern Utah. It is exposed in the Bear River Range, the...
flagellate. The amoebae stage is the feeding stage and has blunt pseudopodia (lobopodia) that give the cell an overall irregular, yet generally cylindrical shape...
Collinsovermis is a genus of extinct panarthropod belonging to the group Lobopodia and known from the middle Cambrian Burgess Shale in British Columbia,...
between various arthropod groups are still actively debated. Tardigrade, Lobopodia, (Onychophora) Non-craniate (non-vertebrate) chordates: Cephalochordate...
rapidly changed in the Cambrian. Chengjiang is the richest source of the Lobopodia, a group including many early panarthropods, with six genera represented:...
move downwards to transform into amoeboflagellates by generating wide lobopodia and thin short filopodia, and slowing the flagellar beating. The amoeboflagellates...
Burgess Shale fossils Genus Phylum Class Abundance Notes Images Aysheaia Lobopodia Xenusia A lobopodian that possessed appendages for walking. Often found...
Carbotubulus is a genus of extinct worm belonging to the group Lobopodia and known from the Carboniferous Carbondale Formation of the Mazon Creek area...
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