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Inoceramus pacificus
Taxonomy
Inoceramus pacificus was named by Anderson and Hanna (1935). Its type specimen is CAS 4266 and is a 3D body fossil. Its type locality is O32/f8025 [Okarahia Sandstone], which is in a Piripauan coastal sandstone in the Okarahia Sandstone Formation of New Zealand.
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. crippsi, 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. perplexus, I. pertenuis, I. pochialaineni, I. proximus, I. pseudoregularis, I. quadrans, I. quatsinoensis, I. reduncus, I. renngarteni, I. richensis, I. rutherfordi, 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. crippsi, I. iburiensis, I. rhomboides, I. bornholmensis, I. guerichi, I. steenstrupi
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Inoceramus pacificus Anderson and Hanna p. 29 figs. Plate 10, figure 4 |
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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 pacificus Anderson and Hanna 1935
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. M. Anderson and G. D. Hanna 1935 | Shell large, subquadrate, elongate, beaks almost terminal, strongly incurved; hinge margin extended, straight, elevated behind; anterior end abrupt, slightly round ed below; basal margin broadly rounded in outline ; surface bearing strong concentric undulations on the upper half, becoming obsolete below. Length of holotype, 142 mm.; height 88 mm.; thickness 70 mm. (estimated). |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Kiessling 2003, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Middle Coniacian to the top of the Early/Lower Maastrichtian or 89.30000 to 66.00000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turonian - Santonian | New Zealand | Inoceramus pacificus (83452) | |
| Middle Coniacian | Madagascar | Inoceramus pacificus (46615) | |
| Piripauan | New Zealand | Inoceramus pacificus (37326 37330 78363 78364 78365 78366 78369 78370 78371 78373 78374 78400 83441 83515 83516 83517 83518 83521 83523 83524 type locality: 83525) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Mexico (Baja California) | Inoceramus pacificus (200117) | |
| Maastrichtian | Mexico | Inoceramus pacificus (1372) | |
| Early/Lower Maastrichtian | USA (California) | Inoceramus pacificus (66683 224893) |