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Strobeus primogenius
Taxonomy
Stylifer primogenia was named by Conrad (1835). It is not a trace fossil.
It was recombined as Macrocheilus primogenia by Hall (1858); it was recombined as Macrocheilus primigenius by White (1884), White (1884), Helprin (1886), Helprin (1886); it was recombined as Sphaerodoma primogenia by Keyes (1889); it was recombined as Sphaerodoma primogenium by Mark (1912); it was recombined as Sphaerodoma primigenia by Girty (1915); it was recombined as Sphaerodoma primigenius by Plummer and Moore (1921), Morgan (1924), Sayre (1930); it was recombined as Soleniscus (Macrochilina) primigenius by Knight (1931); it was recombined as Strobeus primigenius by Knight and Bridge (1944), Batten (1995), Kulas and Batten (1997), Kues and Batten (2001); it was recombined as Ianthinopsis primogenia by Knight et al. (1960); it was recombined as Ianthinopsis primogenius by Hoare (1961), Yochelson and Saunders (1967); it was recombined as Strobeus primogenia by Harper (1981); it was recombined as Strobeus primogenius by Wagner (2023).
It was recombined as Macrocheilus primogenia by Hall (1858); it was recombined as Macrocheilus primigenius by White (1884), White (1884), Helprin (1886), Helprin (1886); it was recombined as Sphaerodoma primogenia by Keyes (1889); it was recombined as Sphaerodoma primogenium by Mark (1912); it was recombined as Sphaerodoma primigenia by Girty (1915); it was recombined as Sphaerodoma primigenius by Plummer and Moore (1921), Morgan (1924), Sayre (1930); it was recombined as Soleniscus (Macrochilina) primigenius by Knight (1931); it was recombined as Strobeus primigenius by Knight and Bridge (1944), Batten (1995), Kulas and Batten (1997), Kues and Batten (2001); it was recombined as Ianthinopsis primogenia by Knight et al. (1960); it was recombined as Ianthinopsis primogenius by Hoare (1961), Yochelson and Saunders (1967); it was recombined as Strobeus primogenia by Harper (1981); it was recombined as Strobeus primogenius by Wagner (2023).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1835 | Stylifer primogenia Conrad p. 267 figs. pl. 12 f. 2 |
| 1858 | Macrocheilus primogenia Hall p. 270 figs. pl. 29 f. 11 |
| 1859 | Macrocheilus texanus Shumard p. 402 |
| 1884 | Soleniscus texanus White pp. 155 - 156 figs. pl. 34 f. 13 & 14 |
| 1884 | Macrocheilus primigenius White p. 157 figs. pl. 34 f. 3 |
| 1886 | Macrocheilus primigenius Helprin pp. 274, 276 figs. f. 16, 16a |
| 1889 | Sphaerodoma primogenia Keyes p. 303 |
| 1889 | Sphaerodoma texanus Keyes p. 306 |
| 1912 | Sphaerodoma primogenium Mark |
| 1915 | Sphaerodoma primigenia Girty pp. 200, 208 figs. pl. 24 f. 13-17a |
| 1921 | Sphaerodoma primigenius Plummer and Moore figs. pl. 22 f. 1-2 |
| 1924 | Sphaerodoma primigenius Morgan figs. pl. 1 f. 9 |
| 1930 | Sphaerodoma primigenius Sayre p. 148 figs. pl. 16 f. 3-3a |
| 1931 | Soleniscus (Macrochilina) primigenius Knight pp. 207 - 213 figs. pl. 22 f. 2a-j; pl. 27 f. 5 |
| 1944 | Strobeus primigenius Knight and Bridge p. 479 figs. pl. 195 f. 10-11 |
| 1960 | Ianthinopsis primogenia Knight et al. p. 321 |
| 1961 | Ianthinopsis primogenius Hoare pp. 189 - 190 figs. pl. 23 f. 11-13 |
| 1967 | Ianthinopsis primogenius Yochelson and Saunders p. 104 |
| 1981 | Strobeus primogenia Harper p. 181 figs. f. 1E |
| 1995 | Strobeus primigenius Batten p. 34 fig. 48 |
| 1997 | Strobeus primigenius Kulas and Batten pp. 54 - 55 figs. pl. 4 f. 13A-C |
| 2001 | Strobeus primigenius Kues and Batten p. 85 figs. f. 16.22-16.23 |
| 2023 | Strobeus primogenius Wagner p. 5985 |
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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.
†Strobeus primogenius Conrad 1835
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Invalid names: Ianthinopsis texanus Shumard 1859 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1995 | Rotund shell with sharp, narrow spire and enlarged, evenly inflated body whorl. Sutures are sharp and shallow. Whorls embrace high on whorl, above broad periphery. Aperture is subovate. Anomphalus. Columellar lip arcuate with large, low fold. Lower lip broken. No parietal inductura visible. |
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 22.7 | 17.1 | 30.0 | 22.0 | 5.44 |
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| Source: f = family | |||||
| Reference: Wagner 2023 | |||||
Age range: base of the Morrowan to the top of the Changhsingian or 323.40000 to 251.90200 Ma
Collections (60 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Morrowan | USA (Texas) | Strobeus primigenius (79966) | |
| Morrowan | USA (Kentucky) | Soleniscus texanus (158165) | |
| Morrowan | USA (Ohio) | Sphaerodoma primigenia (71998) | |
| Moscovian | USA (Oklahoma) | Sphaerodoma primigenia (90784) | |
| Moscovian | USA (Missouri) | Soleniscus primigenius (69773) | |
| Desmoinesian | USA (Oklahoma) | Sphaerodoma primigenia (90781 90782 90783 90787) | |
| Desmoinesian | USA (Missouri) | Ianthinopsis primogenius (70134 70137 70255 70256 70272 70278 70308 70382 70383 70485) | |
| Desmoinesian | USA (New Mexico) | Strobeus primigenius (46536) | |
| Missourian | USA (Maryland) | Strobeus primigenius (118828) | |
| Missourian | USA (Texas) | Strobeus primogenius, Ianthinopsis primogenius (159900) | |
| Missourian | USA (Ohio) | Sphaerodoma primogenium (174923) | |
| Missourian | USA (Pennsylvania) | Sphaerodoma primogenia (184101 184103 184105) | |
| Virgilian | USA (Maryland) | Strobeus primigenius (118827) | |
| Virgilian | USA (New Mexico) | Strobeus primigenius (156695 156715) | |
| Virgilian | USA (Illinois) | Ianthinopsis primogenius (50219) | |
| Virgilian | USA (Missouri) | Sphaerodoma primogenia (157565) | |
| Asselian - Artinskian | USA (Texas) | Macrocheilus texanus (133740) | |
| Wuchiapingian | USA (Wyoming) | Strobeus primogenius (61936 61937 61948 61950) | |
| Wuchiapingian | Pakistan | Macrocheilina primigenia (125897 125928 126003 126267 126692 126737 126935 126936 126939 126941) | |
| Wuchiapingian - Changhsingian | Pakistan | Macrocheilina primigenia (126704 126705 126707 126708 126709 126748 126752 126755 126758 126759 126760 126986 127017) | |
| Changhsingian | Pakistan | Macrocheilina primigenia (126933) |