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Polychaeta source details
Eller, Eugene Rudy. (1955). Additional scolecodonts from the Potter Farm formation of the Devonian of Michigan. Annals of the Carnegie Museum. 33(21): 347-386.
61079
Eller, Eugene Rudy
1955
Additional scolecodonts from the Potter Farm formation of the Devonian of Michigan
Annals of the Carnegie Museum
33(21): 347-386
Publication
World Polychaeta Database (WPolyD)
Available for editors
 [request]
[From introduction:]
A number of years ago a small fauna of scolecodonts, fossil polychaete jaws, collected by Dr. G. Arthur Copper of the United States National Museum, were studied and the results published (Eller, 1938). From fragments and the type of jaws found it was evident that only a small portion of the fauna was originally described. Subsequent collecting has proved that the formation is extremely rich in scolecodonts. A hand specimen of the limestone, when dissolved in a weak acid solution, will produce scores of jaws, and many in a very fine state of preservation. Even if one jaw in 25 was considered as representing an individual the annelids would far outnumber any other type of invertebrates preserved in the rock. Their presence in such numbers must have been a considerable factor in the competition for food and a living space. The sea bottom was continually being disturbed and reworked by their burrows, a situation that could not be very desirable for the physical comfort of the diverse fauna and flora that wanted to occupy the same area. Most of the specimens found were single jaws. There were perhaps a hundred specimens, however, consisting of two jaws in articulation. Workers or students only slightly familiar with this field often view with alarm the fact that a single jaw from the complex jaw apparatus is figured generically and specifically. This is especially true of those who chance on an articulated specimen. All workers that have given any serious thought to the subject state in their publications that they are obliged to describe the jaws separately and realize that they do not belong to different species. Again it is well to quote Hinde (1880) where he restated that in the classification he was “thoroughly conscious of its tentative character, as serving for paleontological reference rather than as presenting exact zoological arrangement.” The Potter Farm formation is probably Tully in age. It has not been correlated very extensively but it contains faunal elements related to those of the Cedar Valley formation of Iowa and the Thunder Bay formation. The specimens were all collected from the ledges by the side of the road about a quarter of a mile south of Four Mile Dam, Alpena County, Michigan.
America, North
Paleontology, Fossils, Paleobiology
Anisocerasites Eller, 1955 † (original description)
Anisocerasites acanthophorus Eller, 1955 † (original description) Anisocerasites acicularis Eller, 1955 (original description) Anisocerasites aciedentatus Eller, 1955 † (original description) Anisocerasites amplimarginatus Eller, 1955 † (original description) Anisocerasites aspidodus Eller, 1955 † (original description) Anisocerasites tanaodus (Eller, 1938) † (new combination reference) Anisocerasites validus (Eller, 1938) † (new combination reference) Arabellites arrectus Eller, 1955 † (original description) Diopatraites abruptus Eller, 1955 † (original description) Diopatraites accommodus Eller, 1955 † accepted as Siluropelta accommodus (Eller, 1955) † (original description) Diopatraites aequilaterus Eller, 1955 † (original description) Diopatraites alveatus Eller, 1955 † (original description) Diopatraites arctostriatus Eller, 1955 † (original description) Diopatraites asper Eller, 1955 † (original description) Diopatraites aversus Eller, 1955 † (original description) Diopatraites conformis Eller, 1938 † (additional source) Eunicites absonus Eller, 1955 † (original description) Eunicites acidaspis Eller, 1955 † (original description) Eunicites acidus Eller, 1955 † (original description) Eunicites acinaciformis Eller, 1955 † (original description) Eunicites acutirustris Eller, 1955 † (original description) Eunicites acutulus Eller, 1955 † (original description) Eunicites admirandus Eller, 1955 † (original description) Eunicites alienus Eller, 1955 † (original description) Eunicites altidorsalis Eller, 1955 † (original description) Eunicites altinsculus Eller, 1955 † (original description) Eunicites alveolaris Eller, 1955 † (original description) Eunicites ambocoelius Eller, 1955 † (original description) Eunicites angulatus Eller, 1938 † (additional source) Eunicites anquisitus Eller, 1955 † (original description) Eunicites apicalis Eller, 1955 † (original description) Eunicites apiculatus Eller, 1955 † (original description) Eunicites apidodus Eller, 1955 † (original description) Eunicites articulosus Eller, 1955 † (original description) Eunicites asaphus Eller, 1955 † (original description) Eunicites axinus Eller, 1955 † (original description) Eunicites conus (Eller, 1938) † (new combination reference) Ildraites appressus Eller, 1955 † (original description) Leodicites abbreviatus Eller, 1955 † (original description) Leodicites altilis Eller, 1955 † accepted as Leogenys altilis (Eller, 1955) † (original description) Leodicites ambiguus Eller, 1955 † (original description) Leodicites amplicameratus Eller, 1955 † (original description) Leodicites angiformis Eller, 1955 † (original description) Leodicites angusticameratus Eller, 1955 † (original description) Nereidavus admixtus Eller, 1955 † (original description) Nereidavus angulatus Eller, 1955 † (original description) Oenonites abscisus Eller, 1955 † (original description) Oenonites aequibrachiatus Eller, 1955 † (original description) Paleoenonites alpenaensis (Eller, 1938) † (new combination reference) Paleoenonites andaculus Eller, 1955 † (original description) Paleoenonites angiportus Eller, 1955 † (original description) Paleoenonites arcuatellus Eller, 1955 † (original description) Paleoenonites armigerus Eller, 1955 † (original description) Paleoenonites auctificus Eller, 1955 † (original description) Staurocephalites aequemarginalis Eller, 1955 † (original description) Staurocephalites aequilateralis Eller, 1955 † (original description) Staurocephalites alterostris Eller, 1955 † (original description) Staurocephalites articulatus Eller, 1955 † (original description) Stauronereisites Eller, 1955 † (original description) Stauronereisites abditivus Eller, 1955 † (original description) Stauronereisites adversarius Eller, 1955 † (original description) Stauronereisites aequalis Eller, 1955 † (original description) Stauronereisites auriculatus Eller, 1955 † (original description) Ungulites acutidactylus Eller, 1955 † (original description) Ungulites agglomeratus Eller, 1955 † (original description) Ungulites alcicornis Eller, 1955 † (original description) Ungulites arquatus Eller, 1955 † (original description) Ungulites astrictus Eller, 1955 † (original description) Ungulites attenuatus Eller, 1955 † (original description) Ungulites auctus Eller, 1955 † (original description) |