The Sequence of the Cambrian and Associated Beds of the Malvern Hills

Groom, Theodore

doi:10.1144/gsl.jgs.1902.058.01-04.10

Cited by 59 publications

(24 citation statements)

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“…In the Wrekin district it occurs with ostracods in the Lower Comley Sandstone and doubtfully at levels as low as the Acrothele prima Shale (Cobbold & Pocock, 1934). The Hollybush Sandstone of Raggedstone Hill, near Malvern, has yielded at least one tube that could have been Hyolithellus (Groom, 1902, fig. 4), possibly of this type.…”

Section: Remarksmentioning

confidence: 55%

“…M. undosa (Moberg) figured by Ahman & Martinsson (1965) and Bengtson (1977) from Sweden compares closely with M. phillipsi but lacks the radial sculpture. Matley (in Groom, 1902) noted that M. phillipsi has a thick, multilayered shell and the species should not be referred to Paterina Beecher (e.g. Cocks, 1978) with a thin, single-layered shell (Rowell, 1965).…”

Section: Remarksmentioning

confidence: 99%

“…This species was first described from the upper part of the Malvern Quartzite (Matley in Groom, 1902), some 80 km southwest of Nuneaton. Specimens from the Malvern Hills reveal that the valves were subequal; the smooth anacline propareas are developed anteriorly beneath the umbo but the pedicle groove is poorly preserved; a median ridge occurs on the inside of ?brachial valve IGS 54242.…”

Section: Genus Paterina Beecher 1891mentioning

confidence: 99%

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Microfossils and small shelly fossils from the Lower CambrianHyolithesLimestone at Nuneaton, English Midlands

Brasier

1984

Geol. Mag.

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The Lower Cambrian sequence at Nuneaton is outlined, paying particular attention to the 2 m thick Home Farm Member (including the Hyolithes Limestone) and its faunal succession at the type locality, Woodlands Quarry, Hartshill. There follows the first modern description and illustration of microfossils and small shelly fossils from this member. Of thirty-two species covered here, twenty are described and illustrated from Nuneaton for the first time and eight of these are new records. The varied fauna includes phosphatic and calcareous microproblematica (especially Coleoloides typicalis), protoconodonts, agglutinated foraminifera, cap-shaped molluscs, primitive bivalves, hyoliths, inarticulate brachiopods and sponges. The fauna has affinity with fossils in the top Tommotian to lower Atdabanian rocks from Siberia and China, from the Baltic area and the belt from southeast Newfoundland to Massachusetts.Assemblage I Quartzose Conglomerate Bed with Micromitraphillipsi.

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Section: Remarksmentioning

confidence: 55%

Section: Remarksmentioning

confidence: 99%

Section: Genus Paterina Beecher 1891mentioning

confidence: 99%

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Microfossils and small shelly fossils from the Lower CambrianHyolithesLimestone at Nuneaton, English Midlands

Brasier

1984

Geol. Mag.

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“…Of these species, only Hexitheca teretiuscula and Hyolithus stylus are undoubted hyoliths, and they may not be closely related, with each possibly representing different orders of hyoliths. The remaining species mentioned by Groom (1902) are tubular fossils of uncertain affinity.…”

Section: Diagnosis As For Genusmentioning

confidence: 99%

A revision of Holm's Early and early Mid Cambrian hyoliths Of Sweden

Malinky

Berg‐Madsen

1999

Palaeontology

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ABSTRACT. Re-examination of type specimens of Early Cambrian and early Mid Cambrian hyoliths from Sweden confirms placement of Hyolithes teretiusculus Linnarsson in Hexitheca Syssoiev, and reassignment to the order Hyolithida rather than Orthothecida. Inclusion of Hyolithes affinis Holm within Decoritheca Syssoiev is re-confirmed, and Hyolithes socialis Linnarsson is now referred to Nevadotheca Malinky and Slapylites Marek. An operculum included under Hyolithes oelandicus Holm is transferred provisionally to Maxilites Marek, and conchs of that species are placed under Tulenicornus Val'kov with question. No other hyolith species of Holm can be definitely assigned to genus. The rarity of well preserved opercula is a major impediment to recognizing hyolith taxa confidently, and we follow Holm in attributing the comparative rarity of opercula to the fact that in some hyolith taxa the operculum may have been composed of a different, and perhaps less stable, material than the rest of the conch.

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“…The fragmentary nature of all hyolith specimens described by Groom (1902) from the Malverns precludes confident identification and comparison with any from Baltoscandia or elsewhere. The Cambrian hyolith species of Hicks (1871Hicks ( , 1872 are preserved as impressions in slate and are therefore unrecognizable.…”

Section: England and Walesmentioning

confidence: 99%