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Productus helicus
Taxonomy
No taxonomic data are available
Sister species
Producta dubia, Producta tenuicincta, P. acutauritus, P. anomalus, P. calhounianus, P. carbonarius, P. chamishkjensis, P. chandlessii, P. coelestis, P. concinnus, P. concinnus, P. dissimilis, P. dowhatensis, P. duplicicostatus, P. flemingii, P. frami, P. geinitzianus, P. germanicus, P. incertus, P. insolitus, P. lidarensis, P. lobatus, P. longus, P. mexicanus, P. narastanensis, P. norwoodii, P. parvus, P. phillipsi, P. plicatilis, P. praepermicus, P. productus (syn. P. martini), P. radula, P. redesdalensis, P. reticulatus, P. robinsoni, P. scabriculus, P. semireticularis, P. semistriatus, P. sensimicostatus, P. spitiensis, P. splendens, P. stuckenbergi, P. undulatus, P. yunnanensis
Sister species lacking formal opinion data
P. auritus, P. bathykolpos, P. burlingtonesis, P. cancriniformis, P. cora, P. coraplanus, P. fasiculatus, P. furcatus, P. gallatinenesis, P. garwoodi, P. gratiosus, P. gruenwaldti, P. hirsutiformis, P. intermedius, P. jakovlevi, P. keokuk, P. kiangsiensis, P. latissimus, P. longispinus, P. longispinus, P. maximus, P. missouriensis, P. oblongus, P. occidentalis, P. orientalis, P. orientalis, P. parvus, P. paviei, P. pseudoplicatus, P. rectangulus, P. rectangulus, P. samsoni, P. semiplanus, P. semireticulatua, P. semireticulatus, P. setiger, P. spinosocostatus, P. stehlii, P. striatus, P. striatus, P. symmetricus, P. verneuilianus, P. fasciculatus, P. fasciculatus, P. craticulatus, P. indicus, P. indicus, P. indicus, P. multispiniferus, P. spiralis, P. vaughani, P. yangtzeensis, P. kiangsinensis, P. vihianus, P. scalaris, P. scalaris, P. aagardi, P. lineatus, P. lyelli, P. semicubiculus, P. aagardi, P. gerassimovi, P. gratiosus, P. gratiosus, P. wanneri, P. mesolobus, P. garwoodi, P. indianaensis, P. juresanensis, P. juresanensis, P. nodosus, P. pilosus, P. pustuliformis, P. pyxidiformis, P. rugatus, P. tenuipustulosus, P. irginae, P. purdoni, P. purdoni, P. purdoni, P. purdoni, P. purdoni, P. purdoni, P. purdoni, P. compressus, P. compressus, P. compressus, P. mongolicus, P. mysius, P. typicus, P. cylindricus, P. humboldti, P. humboldti, P. humboldti, P. humboldti, P. humboldti
Synonymy list
No taxonomic opinions are available
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: Changhsingian or 254.14000 to 251.90200 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | Russian Federation | Productus helicus (112569 127858 127860 127877 127899) Productus helicus, Productus helicus (112566) |