Dimensions: Specimen - 0,8 x 0,5 cm. Locality: Tazemmourt Section, Northern slope of the Western Anti-Atlas, Morocco. Identification and Taxonomy: Species: Bigotina monnigeri n.
(Geyer, 2019); Family: Bigotinidae; Superfamily: Ellipsocephaloidea; Order: Ptychopariida; Class: Trilobita. The systematics and identification of this clade and specimens are complex and explained below. Lithostratigraphy: Tiout Member of the Igoudine Formation (Lower Cambrian, Series 2, Stage 3).
Biostratigraphy: Eofallotaspis Zone of the Issendalenian. Age: Cambrian, Early Paleozoic Era. Collection: #CALPAIS 9042; Collected April 2021. Discussion about the systematics and identification of the specimens Geyer & Pais, in prep.TOP RARE Bigotina Fossil Trilobite Morocco Cambrian Igoudine Form. COMPLETE ADULT INTERNAL MOLD - EXTREMELY RARE!
Northern slope of the Western Anti-Atlas Mountains, Morocco. Probably, we will manage it.Specimen - 0,8 x 0,5 cm. Tazemmourt Section, Northern slope of the Western Anti-Atlas, Morocco. Superfamily: Ellipsocephaloidea; Order: Ptychopariida; Class: Trilobita. Lithostratigraphy : Tiout Member of the Igoudine Formation (Lower Cambrian, Series 2, Stage 3).
Biostratigraphy : Eofallotaspis Zone of the Issendalenian. Age : Cambrian, Early Paleozoic Era. Collection : #CALPAIS 9042; Collected April 2021.Bigotinids belong to the earliest and least understood trilobite families. Their early occurrence "out of the nowhere" in the Moroccan Anti-Atlas and in Siberia!
Is one of the biggest trilobite puzzles. " These two specimens are tentatively assigned to one of those two species for detailed information consult the Mediterranic Store website - mediterranic followed for the commercial extension - > The Cambrian Souss-Lagerstätte > Trilobites > Family Bigotinidae: "4- Bigotina monningeri Geyer, 2019: Anterior cephalic margin moderately curved; glabella slightly tapering, with faintly curved lateral margins; frontal lobe laterally constricted; occipital ring without occipital spine; palpebral lobes long; parafrontal band fused with glabellar frontal lobe; intraocular areas slightly longitudinally extended, with small bacculae; anterior border relatively narrow, distinctly convex in tr. Profile, of subequal breath sag. Some of the specimens collected in the Tazemmourt section show these characters (left-side group of the red line). See the photo (from Geyer 2019).B (Geyer, 2019): Glabella in adult individuals of ca. 82-87% cephalic length (including occipital ring), subparallel from occipital ring to L3 and with slightly curved lateral margins. Frontal lobe slightly less elevated than rest of the glabella, clearly narrower tr. Than L3, its anterior margin with parabolic curvature in dorsal view, confluent with posterior half of adaxial ends of eye ridges; max. Width of frontal lobe near its posterior end two-thirds to three-quarters of max. Occipital ring with considerably curved posterior margin, without occipital spine, but apparently with small subterminal node; Palpebral lobe moderately long, exsag. Length in adult individuals ca. Cephalic length, distinctly oblique to axis, anterior end of ocular suture opposite mid-length of L2, the posterior end opposite mid-length or posterior part of L1; crescentic with low curvature along the ocular suture. Interocular areas are similar to a slightly extended quarter-segment of a circle, of about half max. Width of glabella, up to ca.
Cephalic length adjacent to axial furrow; weakly elevated, without postocular wing or strip. Some of the newly collected specimens appear to show these characteristics, except that a genal spine seems to be lacking (left-side group from the red line).
The left-side (red line) group of specimens, with elongated body and glabella, are tentatively assigned to Bigotina monningeri. Geyer, 2019 or, with a higher degree of confidence, to. Further measures, photos and specimens are needed to extend the sample and allow a confident determination. Consult this and more about the Souss-Lagerstätte specimens at our website (mediterranic followed for the commercial extension).Top grade plate of a rare species. Complete adult internal mould, dorsal exoskeleton, partially eroded on the central lobe of five thoracic segments of Bigotina monningeri / Bigotina sp. A more than rare fossil record. In general, the specimen is well preserved, showing almost all the key structures of the species.
Good size for a complete specimen of this species. Cephalon is typical of adult individuals. Frontal lobe slightly narrower, giving the whole glabella an acute aspect. Interocular areas similar to a slightly extended quarter-segment of a circle. Complete thorax on right and left lobes.
Missing five small exoskeleton parts from the central lobe. Very conspicuous pleurae with evident well-preserved pleural spines.
A very well-preserved specimen on its whole. Consult this and more about the Souss-Lagerstätte specimens at our website. See other interesting Bigotinoids Trilobites listings.
See other interesting Cambrian Trilobites listings. You can acquire this specimen (as many others), significantly cheaper (till 30% off), at our store. It's quite simple, just Mediterranic followed for the commercial extension. Our independent project DEPENDS on our customers. We will be all saving A LOT and trading FAIRLY.Support the growth and consolidation of Mediterranic Store. Thank you for your interest in our specimens. Besides the intrinsic value of this specimen, as a piece of Natural History, you are acquiring a rare item, whose preparation (in specialized laboratories using micro tools) is a difficult task that takes dozens of hours and needs skills. Fossils - namely premium items - are, nowadays, also a way of investment as their value will just raise. They are increasingly also being used as decor, and luxury items, taking advantage of the mysterious beauty and framing that they can provide at appropriate spaces. 0-500 g > Europe: 8 EUR /9 USD; Rest of the world 11 EUR /13 USD. 501-100 g > Europe: 13 EUR /15 USD; Rest of the world 19 EUR /21 USD. 1-2 kg > Europe: 19 EUR /21 USD; Rest of the world 28 EUR /31 USD. After thousands of online sales in the last 17 years. Extremely safe packaging of fragile items worldwide. (not just talk, like many sellers; tested unique extra-protections). (without the rush for listing the specimens): if you are not an expert, there are many more wrong ID fossils than you can think of everywhere on the web. And we are not proud to announce to you that... Honestly stated every reconstruction detail. Don't forget to visit our. Chances for making your own offers are also there.
Beautiful specimen from trilobites group. Very well preserved and prepared for a place in any collector's museum.
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