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Dictyoclostus
Taxonomy
Dictyoclostus was named by Muir-Wood (1930) [Sepkoski's age data: C Tour-u P Dora Sepkoski's reference number: 1066,1142]. It is not extant. Its type is Anomites semireticulatus. It is the type genus of Dictyoclostinae.
It was reranked as Productus (Dictyoclostus) by Reed (1944).
It was assigned to Productinae by Sutton (1938); to Productus by Reed (1944); to Dictyoclostinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Dictyoclostini by Williams et al. (2007).
It was reranked as Productus (Dictyoclostus) by Reed (1944).
It was assigned to Productinae by Sutton (1938); to Productus by Reed (1944); to Dictyoclostinae by Williams et al. (2000); to Strophomenida by Sepkoski (2002); and to Dictyoclostini by Williams et al. (2007).
Species
D. arcuatus, D. bayanhuaensis, D. bellatulus, D. burlingtonensis, D. byrangi, D. cherokeensis (syn. Productus inflatus clydensis), D. confluens, D. crawfordsvillensis, D. curtirostris, D. decorus, D. expansus, D. fernglenensis, D. galeanus, D. gallatinensis, D. hermosanus, D. inflatus, D. jalaidensis, D. linoproductoides, D. mesialis, D. mesicostalis, D. nantanensis, D. paradoxus, D. parviformis, D. primus, D. qiliensis, D. regularis, D. richardsi, D. rimalis, D. scitulus, D. sedaliensis, D. semireticulatus, D. simplex, D. tartaricus, D. weiningensis, Productus (Dictyoclostus) tardatus
Species lacking formal opinion data
D. americus, D. antiquatus, D. bassi, D. bassi, D. bristolensis, D. costatus, D. donetzianus, D. ferglenensis, D. hindi, D. hindi, D. howratensis, D. inflatus, D. inflatus, D. ingrata, D. insculptus, D. jasperensis, D. lasallensis, D. mesialis, D. morrowensis, D. multicostatus, D. multispiniferus, D. muricatus, D. orientalis, D. orientalis, D. parvus, D. pinguis, D. pinguis, D. pugilis, D. scoticus, D. setigerus, D. subfasiculatus, D. sulcatus, D. taiyuanfuensis, D. tenuicostatus, D. viminalis, D. viminalis, Productus craticulatus, Productus indicus, Productus indicus, Productus indicus, Productus multispiniferus, Productus spiralis, Productus vaughani, Productus yangtzeensis
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Dictyoclostus Muir-Wood p. 103 |
| 1938 | Dictyoclostus Sutton p. 562 figs. plate 64, figures 1-8 ; text figure lb, c |
| 1944 | Productus (Dictyoclostus) Reed p. 41 |
| 2000 | Dictyoclostus Williams et al. p. 488 |
| 2002 | Dictyoclostus Sepkoski |
| 2007 | Dictyoclostus Williams et al. p. 2646 |
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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.
G. †Dictyoclostus Muir-Wood 1930
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†Dictyoclostus arcuatus Hall 1858
†Dictyoclostus bayanhuaensis Lee and Gu 1980
†Dictyoclostus bellatulus Li 1986
†Dictyoclostus burlingtonensis Hall 1858
†Dictyoclostus byrangi Einor 1939
†Dictyoclostus cherokeensis Drake 1898
†Dictyoclostus confluens Easton 1962
†Dictyoclostus crawfordsvillensis Weller 1914
†Dictyoclostus curtirostris Winchell 1865
†Dictyoclostus decorus Lee and Gu 1980
†Dictyoclostus expansus Grabau 1936
†Dictyoclostus fernglenensis Weller 1909
†Dictyoclostus galeanus Girty 1927
†Dictyoclostus gallatinensis Girty 1899
†Dictyoclostus hermosanus Girty 1899
†Dictyoclostus inflatus McChesney 1860
†Dictyoclostus jalaidensis Lee and Gu 1980
†Dictyoclostus linoproductoides Ustritsky 1963
†Dictyoclostus mesialis Hall 1858
†Dictyoclostus mesicostalis Weller 1914
†Dictyoclostus nantanensis Grabau 1936
†Dictyoclostus paradoxus Campbell 1957
†Dictyoclostus parviformis Girty 1899
†Dictyoclostus primus Semichatova 1936
†Dictyoclostus qiliensis Li and Duan 1985
†Dictyoclostus regularis Lee and Gu 1980
†Dictyoclostus richardsi Girty 1927
†Dictyoclostus rimalis Lee and Duan 1985
†Dictyoclostus scitulus Meek and Worthen 1860
†Dictyoclostus sedaliensis Weller 1914
†Dictyoclostus semireticulatus Martin 1809
†Dictyoclostus simplex Campbell 1957
†Dictyoclostus tartaricus Tschernyschew 1902
†Dictyoclostus weiningensis Jin and Liao 1966
†Productus (Dictyoclostus) tardatus Reed 1944
†Productus semireticulatus capitanensis Girty 1909
Invalid names: Productus inflatus clydensis Girty 1910 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. H. Sutton 1938 | Shell elongate or quadrate in outline. Hinge moderately wide; pedicle valve evenly convex or produced into a short curved trail, brachial valve concave or geniculate.
Costate in all growth-stages, costae often prominent, bearing numerous spine-bases. Spines also in rows on ears and cardinal slopes. Ribs on visceral disk numerous and forming net-like ornament by enlargement at point of intersection with costm. Diaphragm absent. Marginal ridges prominent, extending along hinge. Hinge-teeth, sockets, and cardinal area not developed. |
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Williams et al. 2000, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Famennian to the top of the Changhsingian or 372.15000 to 251.90200 Ma
Collections (315 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Famennian | USA (Montana) | Avonia arcuata (7203 7217 7218 7223 7226 7235 7245 7302 7306) | |
| Kinderhookian | USA (Iowa) | D. sp. (5933) | |
| Kinderhookian | Canada (Northwest Territories) | D. arcuatus (62431) | |
| Kinderhookian | Canada (Yukon) | D. sp. (548) | |
| Kinderhookian | Canada (Alberta) | D. jasperensis (8142) D. jasperensis, D. gallatinensis, D. arcuatus (8141) D. sp. (8610) D. viminalis, D. inflatus (8611) | |
| Kinderhookian | USA (Montana) | D. sp. (545) Productus gallatinensis (7311) | |
| Kinderhookian | USA (Utah) | D. sp. (554) Productus gallatinensis (218919) | |
| Early/Lower Mississippian | USA (California) | D. sp. (226746) | |
| Tournaisian | India | Productus semireticulatus (230642) | |
| Tournaisian | USA (Iowa) | Productus arcuatus (3309 3314) Productus arcuatus, Productus sedaliensis (3339) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Wuchiapingian | China (Sichuan) | D. sp. (156807) | |
| Wuchiapingian | Pakistan | Productus sp. (125887 125903 125904 125910 125924 126010 126268 126345 126991) Productus tardatus (126454) | |
| Wuchiapingian | USA (Wyoming) | Productus semireticulatus (236334) | |
| Wuchiapingian | China (Guizhou) | Productus sp. (136247) | |
| Wuchiapingian | Indonesia | Productus semireticulatus (132787 132791 133133) | |
| Wuchiapingian | China (Xizang) | Productus semireticulatus (230327) | |
| Changhsingian | USA (Texas) | D. sp. (50001 50002 50003 50004) | |
| Changhsingian | China (Fujian) | D. sp. (148570) | |
| Changhsingian | Pakistan | Productus sp. (126989) | |
| Changhsingian | China (Guizhou) | D. sp. (149297 149298) | |