Girish Mahajan (Editor)

Xenocalamus mechowii

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Kingdom
  
Animalia

Subphylum
  
Vertebrata

Order
  
Squamata

Rank
  
Species

Phylum
  
Chordata

Class
  
Reptilia

Suborder
  
Serpentes

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Xenocalamus mechowii, or the elongate quill-snouted snake, is a species of venomous rear-fanged snake in the family Atractaspididae. The species is endemic to Africa.

Contents

Etymology

The specific name or epithet, mechowii, is in honor of Friedrich Wilhelm Alexander von Mechow, a Silesian-German explorer of Africa.

Geographic range

It is found in Angola, Botswana, Republic of the Congo, Democratic Republic of the Congo, Namibia, Zambia, and Zimbabwe.

Description

Dorsally yellowish with brown spots. Some spots arranged in alternating confluent pairs, others forming crossbands. Upper lip, sides of body, and ventrum unspotted.

A subadult 22.5 cm (8 34 in) in total length has a tail 3.5 cm (1 38 in) long.

Dorsal scales smooth, without apical pits, arranged in 17 rows. Ventrals 229-239; anal plate divided; subcaudals 31-36, also divided.

Head scalation same as Xenocalamus bicolor, except no supraoculars and two postoculars.

Subspecies

Two subspecies are recognized including the nominate race.

  • Xenocalamus mechowii inornatus de Witte & Laurent, 1947
  • Xenocalamus mechowii mechowii Peters, 1881
  • Intergrades of these two subspecies can be found in North-Western Province, Zambia.

    References

    Xenocalamus mechowii Wikipedia