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Epitonium (Cirsotrema) clallamense
Taxonomy
Epitonium (Cirsotrema) clallamense was named by Durham (1937). Its type specimen is CAS 7003 and is a 3D body fossil.
Sister species lacking formal opinion data
Cirsotrema acutum, Cirsotrema bourdoty, Cirsotrema claibornense, Cirsotrema cochlea, Cirsotrema cortezi, Cirsotrema cossmanni, Cirsotrema creolum, Cirsotrema crispata, Cirsotrema crispatum, Cirsotrema ertborni, Cirsotrema fimbriosum, Cirsotrema firmatum, Cirsotrema jinnahi, Cirsotrema koeneni, Cirsotrema kuriensis, Cirsotrema lyratum, Cirsotrema nielseni, Cirsotrema ranellinum, Cirsotrema rugulosa, Cirsotrema seguenzai, Cirsotrema subspinosum, Cirsotrema undulatum, Cirsotrema zelebori, Cirsotrema brevicula, Cirsotrema lyratum, Cirsotrema pumiceum, Cirsotrema sallomacense, Cirsotrema sallomacense, Cirsotrema zitteli, Cirsotrema tamanense, Cirsotrema bourdoty, Cirsotrema briarti, Cirsotrema claibornense, Cirsotrema lineatum, Cirsotrema nasssulum, Cirsotrema newtonense, Cirsotrema newtonensis, Cirsotrema nsssulum, Cirsotrema ranellinum, Cirsotrema spillmani, Cirsotrema spillmani, Cirsotrema ertborni, Cirsotrema scaberrimum, Cirsotrema bouillei, Cirsotrema turbonillaeforme, Cirsotrema laubrierei, Cirsotrema youngi, E. aculeatum, E. acuminiense, E. acutum, E. annulatum, E. apiculatum, E. azumana, E. bellastriata, E. brocherti, E. cantrainei, E. carolinae, E. cercadicum, E. chamberlaini, E. championi, E. charlestonense, E. clathratulum, E. commune, E. condoni, E. condoni, E. condoni, E. condoni, E. condoni, E. denticulatum, E. dignitate, E. dolosum, E. duplinianum, E. expectatum, E. exquisitum, E. fargoi, E. foliaceicostum, E. fractum, E. frondiculoides, E. gabbi, E. helikum, E. humphreysi, E. imperiale, E. jani, E. junceum, E. kingae, E. kraussi, E. leroyi, E. lineata, E. lineolatum, E. lobrosa, E. merignacense, E. mesogonium, E. minuticosta, E. minutissimum, E. multiliniferum, E. munistriatum, E. muricatum, E. novangliae, E. pongensis, E. potomacense, E. replicatum, E. reticulatum, E. riparum, E. rocheri, E. rugolosa, E. rugulosa, E. sakuraii, E. sayanum, E. scalare, E. sculptatum, E. spiniferum, E. spinosum, E. striatissimum, E. subacutum, E. subscalaris, E. tenuiliratum, E. tenuistriatum, E. teuistriatum, E. textuvestitum, E. turtonis, E. undosum, E. vetustum, E. virginiae, E. virginianum, E. paytens, E. chubutinum, E. dupliniana, E. gabbi, E. laguairense, E. marenum, E. novangliae, E. quirogai, E. rohri, E. rushii, E. sericifilum, E. tonni, E. venezuelense, E. cooperense, E. emydoneus, E. condoni, E. condoni, E. groenlandica, E. schencki, E. yabei, E. linoe, E. linoe, E. suboptima, E. clathrus, E. okinavensis, E. revoltum, E. revolutum, E. auritum, E. eucteanum, E. kingae, E. charitopolos, E. cingolanii, E. foliaceicostatum, E. foliaceicostum, E. foliaceicostum, E. foliaceiscostatum, E. humphreysi, E. krebsii, E. leptosomum, E. maturense, E. replicata, E. unifasciatum, E. venosum, E. cionei, E. mcglameriae, E. perplexum, E. carolinae, E. fasciatum, E. junceum, E. aduncum, E. ventulum, E. lepta, E. pratti, E. robesonense, E. gabbi, E. virginiae, E. subexpansum, E. witfieldi, Scala bourgeois, Scala peyroti, Scala subspinosa
Synonymy list
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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.
†Epitonium (Cirsotrema) clallamense Durham 1937
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Diagnosis
Reference | Diagnosis | |
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J. W. Durham 1937 | Shell moderately large to large in size; rather heavy; about 9 well-rounded whorls; sutures deep; ornamented by 8 to 10 heavy varices with a prominent angulation just below the suture; interspaces approximately one and one-half times as wide as varices; 3 low, broad spiral ribs on the central portion of the whorl, above these there are 2 or 3 indistinct spirals; the three more prominent spirals can be seen on the outer surface of the varices on well-preserved specimens; character of the aperture in- determinate. |
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Beu et al. 1990, Kiessling 2004 |
Collections
No collection or age range data are available