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Chilcorthidae
Taxonomy
Chilcorthidae was named by Benedetto (2015). Its type is Chilcorthis.
It was assigned to Plectorthoidea by Benedetto (2015).
It was assigned to Plectorthoidea by Benedetto (2015).
Subtaxa
Chilcorthis (type genus)
Synonymy list
Year | Name and author |
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2015 | Chilcorthidae Benedetto pp. 91 - 92 |
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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.
Fm. †Chilcorthidae Benedetto 2015
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G. †Chilcorthis Benedetto 2015
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†Chilcorthis huarpe Benedetto 2015
†Chilcorthis mucronata Williams and Curry 1985
Diagnosis
Reference | Diagnosis | |
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J. L. Benedetto 2015 | Small transverse plectorthoids with coarse costellate radial ornament often crossed by strong growth lamellae. Bilobed ventral muscle field impressed on a pseudospondylium or muscle platform. Brachiophore bases slightly inclined medially to form a flattened or slightly concave septalium merged laterally with fulcral plates forming a platelike structure projected ventrally following the same plane of the interarea. Cardinal process absent or represented by a faint ridge. Dorsal median septum proximally supporting the septalium. Dorsal muscle field radially arranged with smaller posterior adductor scars and elongate anterior adductor scars. |