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Ptychagnostus (Ptychagnostus)

Agnostida - Ptychagnostidae

Taxonomy
Ptychagnostus (Ptychagnostus) was named by Jaekel (1909).

It was assigned to Ptychagnostus by Jaekel (1909) and Westrop et al. (1996).

Synonymy list
YearName and author
1909Ptychagnostus (Ptychagnostus) Jaekel
1996Ptychagnostus (Ptychagnostus) Westrop et al. p. 819

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderAgnostinaSalter 1864
superfamilyCondylopygoideaRaymond 1913
familyPtychagnostidaeKobayashi 1939
genusPtychagnostusJaekel 1909
subgenusPtychagnostusJaekel 1909

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.

Subg. †Ptychagnostus (Ptychagnostus) Jaekel 1909
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Entire body: yessubg
Adult length: 1.0 to < 10subg
Adult width: 0.1 to < 1.0subg
Spines: nonesubg
Locomotion: actively mobileg
Life habit: nektonicg
Diet: suspension feederg
Vision: blindf
Created: 2009-02-25 11:01:31
Modified: 2009-02-25 13:01:31
Source: subg = subgenus, g = genus, f = family
Reference: Hendy 2009

Age range: Middle Cambrian or 509.00000 to 497.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Cambrian509.0 - 497.0USA (Alaska) Ptychagnostus puncturosus (64765)