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Species / Persististrombus Radix

Stromboidea


Original Description of Pterocerus radix by Brongniart, 1823:

  • "Testa conica, labro ...... spira tuberculis-rotundatis coronata, transversim regulariter multisulcata, porcis duplicatis."

Locus typicus: Monte-Grumi near Castelgomberto, Vicenza Province, Veneto Region, Italy

Stratum typicum: Rupelian, lower Oligocene

Original Drawing of Pterocerus radix by Brongniart, 1823

Pterocerus radix Brongniart, 1823, pl. IV, fig. 9

Pterocerus radix (Brongniart, 1823); Holotype; Priabonian, upper Eocene; Monte Grumi, Castelgomberto, Vicenza Province, Veneto Region, Italy; Coll. MNHN no. R53076; Copyright Museum national d'Histoire naturelle Paris


History and Synonymy

Synonyms:

  • Pterocera radix Brongniart, 1823
  • Strombus radix (Brongniart, 1823)
  • Strombus vialensis Fuchs, 1870
  • Strombus rugifer Fuchs, 1870
  • Strombus radix var. rugifera Fuchs
  • Strombus radix var. perrugifera Sacco, 1893
  • Strombus radix var. subnodosa Sacco, 1893
  • Strombus (Canarium) radix var. vialensis Fuchs
  • Canarium (Canarium) radix (Brongniart, 1823)
  • Strombus (Lentigo) radix (Brongniart, 1823)

1870

Strombus radix in Fuchs, 1870, pl. IV, fig. 3

Strombus rugifer in Fuchs, 1870, pl. III, fig. 26

Strombus vialensis in Fuchs, 1870, pl. IV, fig. 4 and 5

1893

Strombus radix in Sacco, 1893, pl. I, fig. 1

Strombus radix var. perrugifera in Sacco, 1893, pl. I, fig. 2

Description of Strombus radix var. subnodosa by Sacco, 1893, p. 4:

  • "In regione ventrali media et caudali passim tubercula lata et depressa, in 2 seriebus disposita
    • Locus typicus: Dego, Savona Province, Liguria Region, Italy
    • Stratum typicum: "Tongriano"
    • Remarks Sacco, 1893: "Il carattere di questa varietą costituisce un nuovo punto di rassomiglianza fra lo S. radix e lo S. nodosus; d'altra parte essa si collega pure insenibilmente colla var. rugifera, poichč sovente in questa le rughe sono specialmente accentuate in due zone trasverse corrispondenti alle due serie nodulose della varietą in esame."

Strombus radix var. subnodosa in Sacco, 1893, pl. I, fig. 3

Strombus radix var. subnodosa Holotype Sacco, 1893; Coll. Museo Regionale di Scienze Naturali di Torino no. BS 039 01 004

2009

Re-description of Persististrombus radix (Brongniart, 1823) by Harzhauser, Reuter, Piller, Berning, Kroh & Mandic, 2009:

  • "A strongly sculptured and robust shell with coarse spiral cords covering the entire shell surface except for the shoulder area and the blunt nodes, where the axial ornament is reduced. The inner surface of the outer lip bears numerous plicae, which fade out towards the smooth, sharp rim of the outer lip. The plicae grade into irregular granulae behind and below the deeply incised notch. The inner lip is well defined and clearly demarcated. Its plicae correspond to the axial threads of the base in its middle part, but become oblique and granulated in the adapical part of the aperture. The adapical part of the moderately expanding wing reaches up to the shoulder nodes of the preceding whorl; its tip may reach up to the suture. A very weak posterior canal groove may be present."

Specimen from institutional collections

Persististrombus radix (Brongniart, 1823); Castel Gomberto, Italy; Coll. Naturkunde-Museum Coburg

Strombus radix var. elongata Grateloup, ?; Lesbarritz, Gaas, Landes Department, France; Coll. Mayer-Eymar no. s 3391; Coll. Naturhistorisches Museum Basel

Strombus radix var. elongata Grateloup, ?; Lesbarritz, Gaas, Landes Department, France; Coll. Mayer-Eymar no. S 3391; Coll. Naturhistorisches Museum Basel

Persististrombus radix (Brongniart, 1823); Rupelian (Stampian), lower Oligocene; Gaas, Landes Department, France; Coll. Stichting Schepsel Schelp no. 19097


Specimen from private collections

Persististrombus radix (Brongniart, 1823); Rupelian (Stampian), lower Oligocene; Espibos, Gaas, Landes Department, France; 80 mm, Coll. Alain Cluzaud

Persististrombus radix (Brongniart, 1823); Rupelian (Stampian), lower Oligocene; Espibos, Gaas, Landes Department, France; 75 mm, Coll. Alain Cluzaud

Persististrombus radix (Brongniart, 1823); Rupelian (Stampian), lower Oligocene; Gaas, Landes Department, France; 90 mm, Coll. Michel Brault

Persististrombus radix (Brongniart, 1823); lower Oligocene; Lugo di Vicenza, Vicenza Province, Veneto Region, Italy; Coll. Riccardo Alberti


References:


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