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Paradrillia Makiyama, 1940

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Popis

Shell of small to moderate size, 8-27 mm., claviform, with a tall turreted spire but a truncated body-whorl, terminated in a short, boardly and shallowly notched anterior canal. Protoconch of 1 1/2 - 2 1/2 smooth and polished whorls, carinate or subcarinate towards its close, followed by a quarter whorl of brephic axials. Sinus deep, with a broadly rounded apex, occupying most of the shoulder slope. Adult sculpture of narrowly rounded spirals crossed by lamellate axials, thickened medially and mostly nodular or tubercular at the peripheral angle; sometimes fenestrate or finely gemmate over the rest of the shell. Operculum ovate, with a medio-lateral nucleus. Paradrillia closely resembles Vexitomina but that genus has a leaf-shaped operculum with a terminal nucleus. Range — Recent, Madagascar, Persian Gulf to Japan and Queensland, Pliocene of Formosa, Okinawa and Japan and Miocene of Java.
Powell, A.W.B. : The Molluscan Families Speightiidae and Turridae. 1966.
Shell moderately small to medium-sized (8-30 mm), claviform. with high, acute spire and short, rather broad, distinctly notched siphonal canal; labrum thin, sometimes lirate inside, anal sinus moderately deep, openly U-shaped, situated on shoulder slope, stromboid notch shallow or absent; parietal callus not forming a distinct pad or nodule posteriorly; subsutural cord fairly strong, more or less nodular, shoulder sulcus well-developed, narrow; sculpture of long, sometimes somewhat lamellate axial ribs, crossed by strong spiral lirae, shoulder with a row of conspicuous nodules: no prelabral varix; colour drab. Protoconch somewhat conical of 1,5-3 whorls, last 1-2 whorls medially carinate, usually with arcuate axial riblets preceding termination, or even extending over entire last whorl. Operculum oblanceolate, normally with terminal nucleus. Radula of awl-shaped marginal teeth, trough-shaped in transverse-section, with a collar near base.
Kilburn, R.N., 1988. Turridae (Mollusca: Gastropoda) of southern Africa and Mozambique. Part 4. Subfamilies Drillinae, Crassispirinae and Strictispirinae

Zařazené taxony

Počet záznamů: 17

druh Paradrillia agalma E. A. Smith, 1906

Paradrillia agalma

druh Paradrillia alluaudi Ph. Dautzenberg, 1932

Paradrillia alluaudi

druh Paradrillia consimilis E.A. Smith, 1879

Paradrillia consimilis

druh Paradrillia darnleyensis T. Shuto, 1983

Paradrillia darnleyensis

druh Paradrillia felix J.T. Kuroda, T. Habe & K. Oyama, 1971

Paradrillia felix

druh Paradrillia fugata E.A. Smith, 1895

Paradrillia fugata

druh Paradrillia gemmata T. Shuto, 1983

Paradrillia gemmata

druh Paradrillia inconstans E. A. Smith, 1875

Paradrillia inconstans

druh Paradrillia lithoria J. C. Melvill & R. Standen, 1903

Paradrillia lithoria

druh Paradrillia melvilli A.W.B. Powell, 1969

Paradrillia melvilli

druh Paradrillia nannodes R. Sturany, 1900

Paradrillia nannodes

druh Paradrillia nivalioides Yokoyama, 1920

Paradrillia nivalioides

druh Paradrillia patruelis E. A. Smith, 1875

Paradrillia patruelis

druh Paradrillia rougeyroni Souverbie, 1874

Paradrillia rougeyroni

druh Paradrillia sagamiana Oyama, 1952
druh Paradrillia sultana (Thiele, 1925)

Paradrillia sultana


Fosilní taxony

druh Paradrillia dainichiensis Yokoyama, 1923

Paradrillia dainichiensis


Odkazy a literatura

EN The Interim Register of Marine and Nonmarine Genera [1301751]

Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [http://www.irmng.org] [jako Paradrillia Makiyama, 1940]
Datum citace: 30. listopad 2019

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