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What is the sister group to Innovatiocaris maotianshanensis?   The phylogeny shows that some named groups are not monophyletic. For each of the following groups, state whether it is monophyletic: Hurdia - YES OR NO Hurdidae- YES OR NO Lyrarapax- YES OR NO Amplectobelua- YES OR NO Amplectobeluidae- YES OR NO Anomalocaris- YES OR NO

What is the sister group to Innovatiocaris maotianshanensis?   The phylogeny shows that some named groups are not monophyletic. For each of the following groups, state whether it is monophyletic: Hurdia - YES OR NO Hurdidae- YES OR NO Lyrarapax- YES OR NO Amplectobelua- YES OR NO Amplectobeluidae- YES OR NO Anomalocaris- YES OR NO

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What is the sister group to Innovatiocaris maotianshanensis?

 

The phylogeny shows that some named groups are not monophyletic. For each of the following groups, state whether it is monophyletic:

Hurdia - YES OR NO

Hurdidae- YES OR NO

Lyrarapax- YES OR NO

Amplectobelua- YES OR NO

Amplectobeluidae- YES OR NO

Anomalocaris- YES OR NO

 
 
 

 

 

Radiodonts are extinct predatory arthropods that terrorized the oceans in the early Paleozoic. Last year, Han Zeng, Fangchen Zhao, and Maoyan Zhu described Innovatiocaris maotianshanensis, a new species of radiodont based on early Cambrian fossils from Chengjiang, China (Journal of the Geological Society 180:164). Their reconstruction of the animal is shown below. They used data from a large number of fossils to infer a phylogeny, using the maximum parsimony approach. The numbers at each node represent three different measures of statistical support, and the starburst marks the node that is the common ancestor of all radiodonts. Use this phylogeny to answer the following questions.
Transcribed Image Text:Radiodonts are extinct predatory arthropods that terrorized the oceans in the early Paleozoic. Last year, Han Zeng, Fangchen Zhao, and Maoyan Zhu described Innovatiocaris maotianshanensis, a new species of radiodont based on early Cambrian fossils from Chengjiang, China (Journal of the Geological Society 180:164). Their reconstruction of the animal is shown below. They used data from a large number of fossils to infer a phylogeny, using the maximum parsimony approach. The numbers at each node represent three different measures of statistical support, and the starburst marks the node that is the common ancestor of all radiodonts. Use this phylogeny to answer the following questions.
60 63 45 40 1517 12 Schinderhannes bartelsi Aegirocassis benmoulai Cordaticaris striatus Cambroraster falcatus cf. Peytoia Burgess Shale Peytoia nathorsti Stanleycaris hirpex 13 Hurdia triangulata Hurdia victoria Pahvantia hastata Lyrarapax trilobus Lyrarapax unguispinus Amplectobelua stephenensis Amplectobelua symbrachiata Amplectobelua sp. 87 Anomalocaris briggsi Tamisiocaris borealis Houcaris saron Houcaris magnabasis Ramskoeldia consimilis Ramskoeldia platyacantha Anomalocaris aff. canadensis Anomalocaris canadensis Radiodont C Laminacaris chimera Anomalocaris kunmingensis Innovatiocaris maotianshanensis Ercaicunia multinodosa Fuxianhuia protensa Kuamaia lata Isoxys curvirostratus Caryosyntrips serratus Haikoucaris ercaiensis Hurdiidae Kylinxia zhangi Opabinia regalis Pambdelurion whittingtoni Kerygmachela kierkegaardi Megadictyon haikouensis Aysheaia pedunculata Euarthropoda Amplectobeluidae Tamisiocarididae 'Anomalocarididae
Transcribed Image Text:60 63 45 40 1517 12 Schinderhannes bartelsi Aegirocassis benmoulai Cordaticaris striatus Cambroraster falcatus cf. Peytoia Burgess Shale Peytoia nathorsti Stanleycaris hirpex 13 Hurdia triangulata Hurdia victoria Pahvantia hastata Lyrarapax trilobus Lyrarapax unguispinus Amplectobelua stephenensis Amplectobelua symbrachiata Amplectobelua sp. 87 Anomalocaris briggsi Tamisiocaris borealis Houcaris saron Houcaris magnabasis Ramskoeldia consimilis Ramskoeldia platyacantha Anomalocaris aff. canadensis Anomalocaris canadensis Radiodont C Laminacaris chimera Anomalocaris kunmingensis Innovatiocaris maotianshanensis Ercaicunia multinodosa Fuxianhuia protensa Kuamaia lata Isoxys curvirostratus Caryosyntrips serratus Haikoucaris ercaiensis Hurdiidae Kylinxia zhangi Opabinia regalis Pambdelurion whittingtoni Kerygmachela kierkegaardi Megadictyon haikouensis Aysheaia pedunculata Euarthropoda Amplectobeluidae Tamisiocarididae 'Anomalocarididae
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