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Nonion stavensis
Taxonomy
Nonion stavensis was named by Bandy (1949).
Sister species lacking formal opinion data
N. advenum, N. affinae, N. affine, N. alabamense, N. asterizans, N. baripadaensis, N. beadnelli, N. biporus, N. bogdanovizi, N. bogdanowichi, N. boueanum, N. commune, N. costiferum, N. decoratum, N. depressulum, N. depressulum, N. durhami, N. elongatum, N. germanicum, N. glabrellum, N. granosum, N. granosus, N. grateloupi, N. halkyardi, N. havanense, N. incisum, N. incisum, N. kankouensis, N. kingi, N. kooteni, N. laeve, N. lamarcki, N. loveanum, N. mauricensis, N. microumbilicatus, N. nagasawaensis, N. perfossum, N. pizarrense, N. pizarrensis, N. planatum, N. plnatum, N. pompilioides, N. preadvenum, N. robusta, N. sloanii, N. subgranosum, N. tassonyi, N. umbilicatulus, N. umbilicatum, N. victoriense, N. washingtonensis, N. affine, N. commune, N. germanicus, N. havanense, N. havanensis, N. japonicum, N. granosum, N. soldanii
Synonymy list
| Year | Name and author |
|---|---|
| 1949 | Nonion stavensis Bandy p. 75 |
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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.
†Nonion stavensis Bandy 1949
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| O. L. Bandy 1949 | Test fairly large, subcircular in side view with a lobulate periphery; involute just to the umbilicus but umbilicate on both sides; chambers enlarging very gradually, eight to ten in number, becoming rather inflated in the later part of the last whorl; surface smooth; wall very finely perforate; umbilical areas ornamented with papillae, papillae extending out along the later sutures and giving a false appearance of retral processes and sutural pores; sutures depressed, curved; aperture a series of small round pores at the base of the septal face. Diameter, 0.51 mm; thickness, 0.22 mm. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Dorreen 1948, Kiessling 2004 | |||||
Collections
No collection or age range data are available