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Turritella iota
Taxonomy
Turritella iota was named by Popenoe (1937) [TYPE LOCALITY: LACMIP 8178 (Late Turonian). TYPE REPOSITORY: LACMIP, California.]. Its type specimen is CIT (IP) 3457 (=LACMIP 4186?) and is a 3D body fossil. Its type locality is LACMIP loc. 8178, Rose Canyon, Santa Ana Mountains, which is in a Turonian marine horizon in the Ladd Formation of California.
Sister species lacking formal opinion data
T. adela, T. agronomica, T. alcida, T. altiliroides, T. ameghinoi, T. anguillana, T. bilara, T. bilboraensis, T. biplicata, T. boycensis, T. brankampi, T. callizona, T. capensis, T. carninata, T. caseyi, T. chalybeatensis, T. chirena, T. claytonensis, T. cobbani, T. codellana, T. collazica, T. crocus, T. diastropha, T. difficilis, T. distincta, T. falconensis, T. fascialiis, T. femina, T. fischeri, T. forgemoli, T. gardnerae, T. hilli, T. jenkinsi, T. kauffmani, T. knysnaensis, T. kowiensis, T. laevissima, T. leonensis, T. lineolta, T. litharia, T. malaspina, T. mcnairyensis, T. megalobasis, T. meunieri, T. millepunctata, T. ministeri, T. molarium, T. monserratensis, T. multilinata, T. mundula, T. neusensis, T. novaesemljae, T. paraensis, T. pedroana, T. pelusae, T. perrieri, T. pirabica, T. pliorecens, T. pontoni, T. poronaiensis, T. premimetes, T. rostrata, T. rubricollis, T. soaresana, T. submortoni, T. tanaguraensis, T. trilara, T. triplicata, T. turneri, T. wagneriana, T. wasana, T. webbi, T. wiedenmayeri, T. pllanigyrata, T. conspicablis, T. chichibuensis, T. premortoni, T. waltonensis
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Turritella iota Popenoe p. 401 figs. pl. 49, fig. 8 |
| 2006 | Turritella iota Squires and Saul p. 54 |
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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.
†Turritella iota Popenoe 1937
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. P. Popenoe 1937 | Shell of medium size, rather slender: whorls shallowly concave along the posterior four-fifths of the whorl, the sides of the whorl diverging to a definite keel or shoulder near the anterior suture, thence sloping abruptly from the keel inward to the suture; sculpture of three or four strong beaded spirals, separated by numerous fine spirals developed between the principal ones; aperture almost quadrate. |
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Late/Upper Turonian to the top of the Turonian or 93.50000 to 89.80000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian | USA (California) | Turritella iota (220930) | |
| Late/Upper Turonian | USA (California) | Turritella iota (215284 type locality: 222131 222135) |