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Hormotoma gracilens

Gastropoda - Murchisoniina - Hormotomidae

Taxonomy
Murchisonia gracilens was named by Whitfield (1889). It is not a trace fossil. Its type locality is Division D Beds, "Ophileta beds", Section northeast of Shoreham, which is in a Stairsian carbonate limestone/dolomite in the Fort Ann Formation of Vermont.

It was recombined as Hormotoma gracilens by Ulrich and Scofield (1897), Wagner (2023).

Sister species lacking formal opinion data
H. columbiana, H. hopkinsi, H. micula, H. sulcatum, Murchisonia matrona, Murchisonia prospera, Murchisonia salteri, Murchisonia timida
Entered
by P. Wagner on 2006-03-23

Synonymy list
YearName and author
1889Murchisonia gracilens Whitfield pp. 53 - 54 figs. pl. 8 f. 14-15
1897Hormotoma gracilens Ulrich and Scofield p. 1014
2023Hormotoma gracilens Wagner p. 4316

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassOrthogastropoda
orderMurchisoniina
superfamilyMurchisonioidea()
familyHormotomidae
genusHormotoma()
speciesgracilens()

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.

†Hormotoma gracilens Whitfield 1889
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Diagnosis
No diagnoses are available