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Howellella nucula
Taxonomy
No taxonomic data are available
Sister species
Sister species lacking formal opinion data
Delthyris scabra, H. amsdeni, H. amurensis, H. anceps, H. angulata, H. angustiplicata, H. arctica, H. australis, H. bourreti, H. bragensis, H. carlsi, H. complicata, H. cortazari, H. crispina, H. crispus, H. cuneata, H. cuniculi, H. cyclopterus, H. dashtygoica, H. derelicta, H. digitatioides, H. digitatoides, H. digitoides, H. elevataeformis, H. eriensis, H. globosa, H. henryhousensis, H. inchoans, H. khalfina, H. khalfini, H. koneprusensis, H. konieprusensis, H. kulkovi, H. laeviplicata, H. latisinuata, H. latisulcata, H. lunae, H. medioplicata, H. mercuri, H. mercuriformis, H. minora, H. mongolica, H. multiplicata, H. ohionensis, H. orphana, H. papaoensis, H. parvula, H. praevius, H. pseudoacutolobata, H. pseudogibbosa, H. rzonsnickajae, H. scabra, H. secans, H. shiqianensis, H. splendens, H. spuria, H. subgregarius, H. talenti, H. tapsaensis, H. tingi, H. uniplicata, H. uniplicatus, H. vanuxemi, H. yacutica, H. yukianensis, H. yukiangensis, H. zaleszczykiensis
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: base of the Jaani to the top of the Late/Upper Emsian or 433.50000 to 393.47000 Ma
Collections (22 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jaani | Estonia (Saare) | Howellella nucula (174959 175057 175141) | |
| Jaani | Estonia (Hiiumaa) | Howellella nucula (160536) | |
| Jaagarahu | Estonia | Howellella nucula (13737) | |
| Gorstian | Australia (Australian Capital Territory) | Howellella nucula (25639 25681 25682 25683 25708) | |
| Ludlow | Canada (Yukon) | Howellella nucula (23078) | |
| Lochkovian | Australia (New South Wales) | Howellella nucula (24900) | |
| Lochkovian - Pragian | China (Guangxi) | Howellella nucula (3995) | |
| Early/Lower Emsian | China (Guangxi) | Howellella nucula (3989 3990 3992) | |
| Early/Lower Emsian | USA (Alaska) | Howellella nucula (3476 3477 3478 3480 3483) | |
| Late/Upper Emsian | China (Guangxi) | Howellella nucula (4815) |