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Protohemichenopus neuquensis
Taxonomy
Protohemichenopus neuquensis was named by Cataldo (2014) [= 1907 Alaria cf. glaucus (d’Orbigny); HAUPT, p. 205.
= 1931 Dicroloma glaucus (d’Orbigny); WEAVER, p. 386.
= 1979 Aporrhaidae sp. indet. a, DAMBORENEA, MANCE˜NIDO, AND
RICCARDI, p. 71, pl. 11, fig. 3.
= ?1979 Aporrhaidae sp. indet. b, DAMBORENEA et al., p. 71.
= ?2001 Dicroloma sp., GRU¨ NDEL AND PARENT, p. 15, fig. 3E–3G.
= ?2006 Dicroloma sp., GRU¨ NDEL AND PARENT, p. 508, fig. 4F, 4G.]. It is the type species of Protohemichenopus.
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Protohemichenopus neuquensis Camacho p. 191 figs. A, B |
| 2014 | Protohemichenopus neuquensis Cataldo p. 191 figs. A, B |
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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.
†Protohemichenopus neuquensis Cataldo 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. S. Cataldo 2014 | First teleoconch whorl with six very fine, evenly spaced spiral threads; the third spiral thread— numbered from the apex to the anteriormost point of the aperture—turning into the adapical carina towards the second teleoconch whorl; abapical carina appearing towards the third telecoconch whorl and deriving from the sixth spiral thread. Posterior labral process thin, straight to slightly curved to the left, attached to the spire and growing beyond its apex. Lateral labral processes thin, straight to slightly curved and diverging approximately 55–758. Posterior lateral labral process bent adapically, anterior lateral labral process bent abapically. Rostrum very long and thin, straight to slightly bent towards the left. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Early/Lower Hauterivian to the top of the Late/Upper Barremian or 132.60000 to 121.40000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hauterivian | Argentina (Neuquen) | Protohemichenopus neuquensis (176969) | |
| Early/Lower Barremian | Chile (Copiapó) | Protohemichenopus neuquensis (223016) | |
| Late/Upper Barremian | Chile (Copiapó) | Protohemichenopus neuquensis (223062) |