Ptychagnostidae
Recorded as extinct.
Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Class | Trilobita |
| Order | Agnostida |
| Family | Ptychagnostidae |
| Habitat | MARINE |
| Genera | 12 |
| Species records held | 69 |
| Descendant taxa (GBIF) | 113 |
| GBIF key | 4639507 |
Genera in Ptychagnostidae
- Ptychagnostus — 19 species: Ptychagnostus acidusus, Ptychagnostus aculeatus, Ptychagnostus akanthodes, Ptychagnostus aksayensis, Ptychagnostus atavus, Ptychagnostus cassis, Ptychagnostus convexus, Ptychagnostus cuyanus
- Goniagnostus — 8 species: Goniagnostus atenuatus, Goniagnostus fumicola, Goniagnostus lemniscatus, Goniagnostus nathorsti, Goniagnostus oxytorus, Goniagnostus scarabaeus, Goniagnostus spiniger, Goniagnostus venustus
- Lejopyge — 8 species: Lejopyge acantha, Lejopyge armata, Lejopyge calva, Lejopyge cos, Lejopyge laevigata, Lejopyge multifora, Lejopyge rigbyi, Lejopyge sinensis
- Onymagnostus — 7 species: Onymagnostus convexus, Onymagnostus cuneiformis, Onymagnostus mundus, Onymagnostus ovaliformis, Onymagnostus rotundatus, Onymagnostus semiermis, Onymagnostus stenorrhachis
- Pentagnostus — 7 species: Pentagnostus admirabilis, Pentagnostus anabarensis, Pentagnostus endemicus, Pentagnostus krusei, Pentagnostus praecurrens, Pentagnostus shabaktensis, Pentagnostus shergoldi
- Yakutiana — 5 species: Yakutiana crebra, Yakutiana dubium, Yakutiana lundgreni, Yakutiana ovale, Yakutiana scanense
- Aotagnostus — 4 species: Aotagnostus aotus, Aotagnostus culminosus, Aotagnostus magniceps, Aotagnostus minutus
- Triplagnostus — 4 species: Triplagnostus aristarius, Triplagnostus gibbus, Triplagnostus scopus, Triplagnostus ultimus
- Myrmecomimus — 3 species: Myrmecomimus saltus, Myrmecomimus solitarius, Myrmecomimus tribulis
- Tomagnostus — 3 species: Tomagnostus bothrus, Tomagnostus clarus, Tomagnostus sibiricus
- Zeteagnostus — 1 species: Zeteagnostus incautus
- Acidusus
Source and Attribution
Taxonomic rank data on this page is drawn from the GBIF Backbone Taxonomy, doi.org/10.15468/39omei, GBIF Secretariat, licensed CC BY 4.0. Member-species counts are counts of records held in the Sanctum species index, not a claim of completeness for the family.