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Ambonacrinus decorus
Taxonomy
Ambonacrinus decorus was named by Cole et al. (2017). Its type specimen is MPZ2016/94 and is a 3D body fossil. Its type locality is Santa Catalina Hill. 45 meters, which is in a Berounian transition zone/lower shoreface sandstone in the Fombuena Formation of Spain. It is the type species of Ambonacrinus.
Synonymy list
Year | Name and author |
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2017 | Ambonacrinus decorus Cole et al. figs. 3.3–3.6, 4.4, 4.5 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Ambonacrinus decorus Cole et al. 2017
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Diagnosis
Reference | Diagnosis | |
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S. R. Cole et al. 2017 | Rhodocrinitid with medium conical calyx; infrabasals hidden; median ray ridges; all interrays in contact with tegmen; CD interray wider, anal series with anitaxial ridge originating from C-ray primibrachial; fixed primibrachials and secundibrachials; intrabrachial plates between fixed secundibrachials; 10 free arms, branched isotomously; brachials rectilinear uniserial. |