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Hypergonia turritella

Gastropoda - Cerithimorpha - Orthonemidae

Taxonomy
Murchisonia turritella was named by Hall (1856). It is a 3D body fossil. Its type locality is Spergen Hill, near railroad station at Harristown, southeast of Salem, which is in a Meramecian carbonate limestone in the Salem Formation of Indiana.

It was recombined as Solenospira turritella by Ulrich and Scofield (1897); it was recombined as Stegocoelia turritella by Knight and Bridge (1944); it was recombined as Stegocoelia (Stegocoelia) turritella by Yochelson and Saunders (1967); it was recombined as Hypergonia turritella by Wagner (2023).

Entered
by P. Wagner on 2006-03-23; modified by P. Wagner on 2013-10-27

Synonymy list
YearName and author
1856Murchisonia turritella Hall p. 27
1897Solenospira turritella Ulrich and Scofield p. 1022
1944Stegocoelia turritella Knight and Bridge p. 459
1967Stegocoelia (Stegocoelia) turritella Yochelson and Saunders p. 212
2023Hypergonia turritella Wagner p. 3829

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassCaenogastropoda(Cox 1959)
orderCerithimorpha
familyOrthonemidae
genusHypergonia()
speciesturritella()

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.

†Hypergonia turritella Hall 1856
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Diagnosis
ReferenceDiagnosis
J. Hall 1856Shell subulate, elongate, gradually tapering to the apex; suture distinct; volutions about nine; equally rounded, the last one slightly ventricose; surface marked by closely arranged, rounded, revolving strim, which are stronger on the middle of the volution; five revolving striae on each volution of the spire, and about seven on the last volution; aperture sub-ovate; columella slightly extended, and curved around the aperture, imperforate. Length .08 to .50 of an inch."