Description
SPECIMEN OVERVIEW
This listing presents an extremely rare 8.5-inch Schlotheimia complimata ammonite fossil in the macroconch form. The specimen is identified with the Angulata Zone of the Hettangian Stage, Jurassic. It comes from Monmouth Beach, Lyme Regis, Dorset, England, and is from the Alice Purnell Collection.
The photograph shows the actual specimen you will receive.
IDENTIFICATION AND GEOLOGICAL CONTEXT
Schlotheimia complimata is an ammonite, an extinct marine cephalopod known for its coiled shell. Ammonites are among the most recognisable fossils from the Mesozoic Era, and their shell forms are widely used in geological study and biostratigraphy. The supplied identification places this fossil within the Angulata Zone, a defined interval of the Hettangian Stage at the beginning of the Jurassic Period.
The Hettangian represents the earliest stage of the Jurassic Period. Ammonites from this interval are especially important to collectors and researchers because their appearances and distribution help distinguish successive intervals of Early Jurassic marine rocks. The Angulata Zone provides a more specific geological placement than the Jurassic or Hettangian designation alone, adding significance for collectors interested in stratigraphic ammonites and Lyme Regis material.
MACROCONCH AMMONITE FORM
The term macroconch refers to the larger shell form within ammonite dimorphism. In ammonite palaeontology, related male and female forms may differ in size and shell development, with the macroconch conventionally representing the larger form. This designation is an important part of the supplied identification and makes the fossil particularly appealing to collectors who focus on ammonite morphology, classification and geological age.
LYME REGIS FOSSIL LOCALITY
Monmouth Beach at Lyme Regis, Dorset, England, is associated with important Jurassic fossil collecting and study. The Lyme Regis area is internationally recognised for its Early Jurassic fossil record, making material from this locality desirable among geology enthusiasts, fossil collectors and natural history displays. This specimen’s stated locality and Hettangian Angulata Zone identification connect it to a significant chapter in the Jurassic fossil record of southern England.
COLLECTION AND AUTHENTICITY
From the Alice Purnell Collection
This Fossil is a genuine specimen and Includes a fully hand-signed Premium Certificate of Authenticity.
The accompanying certificate wording provides documentation of authenticity for display, collecting and educational use. The specimen is well suited to an ammonite collection, Jurassic fossil display, geology cabinet, natural history presentation or teaching environment focused on Early Jurassic palaeontology.
DISPLAY AND COLLECTOR INTEREST
With its substantial 8.5-inch size, named ammonite identification, macroconch designation, Hettangian age and Angulata Zone placement, this Schlotheimia complimata is an attractive centrepiece for a serious fossil collection. Its Lyme Regis, Dorset locality adds regional importance, while the association with the Alice Purnell Collection provides additional collecting context. Full sizing is shown in the photographs.








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