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Inoceramus prefragilis
Taxonomy
Inoceramus prefragilis was named by Stephenson (1952). It is a 3D body fossil.
Subspecies
Sister species lacking formal opinion data
I. agdjakendensis, I. anakusensis, I. angulatus, I. angustiundulatus, I. annulatus, I. aucella, I. australis, I. balchii, I. barsliensis, I. bererensis, I. bicorrugatus, I. bojarkensis, I. borilensis, I. cadottensis, I. conicus, I. crispi, I. curvieri, I. etheridgei, I. ewaldi, I. fiegei, I. flavus, I. gusselkaensis, I. heinzi, I. incurvus, I. ipuanus, I. kapuus, I. labiatiformis, I. labiatoidiformis, I. lapparenti, I. maedae, I. mamatensis, I. marathonensis, I. matotorus, I. nodai, I. nukeus, I. obtusus, I. opetius, I. pedalionoides, I. pertenuis, I. pochialaineni, I. proximus, I. pseudoregularis, I. quadrans, I. quatsinoensis, I. reduncus, I. renngarteni, I. richensis, I. saratoviensis, I. schloenbachi, I. schoendorfi, I. spitzbergensis, I. stilley, I. stoneleyi, I. subneocomiensis, I. subpercostatus, I. sutherlandi, I. tenuis, I. tenuistriatus, I. tenuistriatus(), I. tenuiumbonatus, I. typicus, I. urius, I. vanuxemi, I. vanuxemiformis, I. volgensis, I. waltersdorfensis, I. wandereri, I. warakius, I. yokoyamai, I. zavoljiensis, I. concentrica, I. muelleri, I. goldfussi, I. tenuilineatum, I. iburiensis, I. rhomboides, I. bornholmensis, I. guerichi, I. steenstrupi
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Inoceramus prefragilis Stephenson p. 64 figs. pl. 12, figs. 10-12 |
| 1983 | Inoceramus prefragilis Cobban p. 4 |
| 2019 | Inoceramus prefragilis Sealey and Lucas p. 143 fig. 48D |
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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.
†Inoceramus prefragilis Stephenson 1952
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†Inoceramus prefragilis stephensoni Kauffman et al. 1977
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Kiessling 2003 | |||||
Age range: Cenomanian or 100.50000 to 93.90000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Albian | Colombia | Inoceramus prefragilis (68545 68546) | |
| Cenomanian | USA (Texas) | Inoceramus prefragilis (4641 6587 6588 6595) | |
| Late/Upper Cenomanian | USA (Wyoming) | Inoceramus prefragilis (167808) | |
| Late/Upper Cenomanian | USA (Iowa) | Inoceramus prefragilis (88009) | |
| Late/Upper Cenomanian | Canada (British Columbia) | Inoceramus prefragilis (87574) | |
| Late/Upper Cenomanian | USA (Colorado) | Inoceramus prefragilis (177123) | |
| Middle Cenomanian | USA (Montana) | Inoceramus prefragilis (175422) | |
| Middle Cenomanian | Canada (Alberta) | Inoceramus prefragilis (200670 200671) |