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Protambonites hooshangi

Strophomenata - Billingsellida - Polytoechiidae

Taxonomy
Protambonites hooshangi was named by Popov et al. (2009). Its type specimen is 2004.22G.725, a valve (ventral internal mould), and it is a 3D body fossil.

Synonymy list
YearName and author
2009Protambonites hooshangi Popov et al. p. 40 figs. Plate 1, figures 1–10, 14

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderBillingsellida
suborderClitambonitidinaOpik 1934
superfamilyPolytoechioideaOpik 1934
familyPolytoechiidaeOpik 1934
genusProtambonites
specieshooshangi

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.

Protambonites hooshangi Popov et al. 2009
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Diagnosis
ReferenceDiagnosis
L. E. Popov et al. 2009Shell slightly transverse with subpentagonal outline; fine, strongly differentiated parvicostellate ornament with 12–18 rounded ribs per 3 mm at anterior margin; relatively short ventral muscle field usually not exceeding one third valve length; short, strongly posteriorly inclined notothyrial platform; fine dorsal median septum terminating well beyond mid-valve length; posterior part of ventral muscle field undivided.